[
    {
        "product_name":  "SiT1532",
        "product_type":  "Ultra-Low Power 32.768 kHz XTAL Replacement (CSP)",
        "overview":  {
                         "description":  "World\u0027s smallest chip-scale 32.768 kHz MEMS oscillator for battery-powered designs; fixed frequency with ultra‑low power and NanoDrive™ programmable swing.",
                         "features":  [
                                          "1.5 × 0.8 mm CSP (1.2 mm²) footprint",
                                          "Fixed 32.768 kHz output; frequency tolerance \u003c10 ppm (25 °C)",
                                          "Ultra‑low power: \u003c1 µA core current (typical)",
                                          "Directly interfaces to XTAL inputs; eliminates external load caps",
                                          "Internal filtering eliminates external Vdd bypass cap",
                                          "NanoDrive™ programmable output swing (200–800 mV)",
                                          "Vdd 1.5–3.63 V over −40 to +85 °C; operation down to 1.2 V (de‑rated stability)",
                                          "PFAS‑free option available"
                                      ],
                         "applications":  [
                                              "Mobile phones",
                                              "Tablets",
                                              "Health \u0026 wellness monitors",
                                              "Fitness watches",
                                              "Sport video cams",
                                              "Wireless keypads",
                                              "Ultra‑small notebook PC",
                                              "Pulse‑per‑second (pps) timekeeping",
                                              "RTC reference clock",
                                              "Battery management timekeeping"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_tolerance_25C_ppm":  {
                                                                               "no_underfill_max":  10,
                                                                               "with_underfill_max":  20
                                                                           },
                                           "frequency_stability_over_temperature_ppm":  {
                                                                                            "-10_to_70C":  75,
                                                                                            "-40_to_85C":  100,
                                                                                            "-10_to_70C_at_1p2_to_1p5V":  250
                                                                                        },
                                           "aging_1st_year_25C_ppm":  1,
                                           "supply_voltage_V":  {
                                                                    "commercial":  [
                                                                                       1.2,
                                                                                       3.63
                                                                                   ],
                                                                    "industrial":  [
                                                                                       1.5,
                                                                                       3.63
                                                                                   ]
                                                                },
                                           "current_consumption":  {
                                                                       "core_uA_typ":  0.9,
                                                                       "core_uA_typ_-10_to_70C":  1.3,
                                                                       "core_uA_typ_-40_to_85C":  1.4,
                                                                       "output_stage_uA_per_Vpp_typ":  0.065,
                                                                       "output_stage_uA_per_Vpp_max":  0.125
                                                                   },
                                           "power_supply_ramp_time_ms_max":  100,
                                           "startup_time_ms":  {
                                                                   "typ":  180,
                                                                   "max_to_50C":  300,
                                                                   "max_50C_to_85C":  450
                                                               },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ_15pF":  100,
                                                                                           "max_15pF":  200,
                                                                                           "max_5pF":  50
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            48,
                                                                                            52
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             },
                                           "nanodrive_output":  {
                                                                    "ac_coupled_swing_V":  [
                                                                                               0.2,
                                                                                               0.8
                                                                                           ],
                                                                    "dc_biased_VOH_range_V":  [
                                                                                                  0.6,
                                                                                                  1.225
                                                                                              ],
                                                                    "dc_biased_VOL_range_V":  [
                                                                                                  0.35,
                                                                                                  0.8
                                                                                              ],
                                                                    "swing_tolerance_V":  0.055
                                                                },
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  35
                                                      }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground; pins 1 and 4 may be tied together."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "32.768 kHz oscillator output; drives Ref CLK or XTAL input; no load capacitors required."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.2–3.63 V supply; external bypass cap not required under normal operation."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     3.63
                                                 ],
                                 "Vdd_short_duration_V":  4.0,
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  3000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  10000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150
                             },
        "environmental":  {
                              "moisture":  null
                          },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Use SiTime CSP land pattern; 0.1 mm stencil recommended."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1533",
        "product_type":  "Ultra-Low Power 32.768 kHz XTAL Replacement (2.0 × 1.2 mm SMD)",
        "overview":  {
                         "description":  "2012 SMD pin‑compatible MEMS 32.768 kHz oscillator that replaces tuning‑fork crystals; ultra‑low power with NanoDrive™ output and internal supply filtering.",
                         "features":  [
                                          "2.0 × 1.2 mm SMD; pin‑compatible with 2012 XTAL",
                                          "Fixed 32.768 kHz output",
                                          "\u003c20 ppm frequency tolerance (25 °C)",
                                          "Ultra‑low power: \u003c1 µA core current (typical)",
                                          "Supports coin‑cell or super‑cap backup",
                                          "Vdd 1.5–3.63 V (−40 to +85 °C); operation down to 1.2 V at reduced stability",
                                          "Oscillator output eliminates external load caps",
                                          "Internal filtering eliminates external Vdd bypass cap",
                                          "NanoDrive™ programmable output swing for lowest power"
                                      ],
                         "applications":  [
                                              "Mobile phones",
                                              "Tablets",
                                              "Health \u0026 wellness monitors",
                                              "Fitness watches",
                                              "Sport video cams",
                                              "Wireless keypads",
                                              "Ultra‑small notebook PC",
                                              "Pulse‑per‑second (pps) timekeeping",
                                              "RTC reference clock",
                                              "Battery management timekeeping"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_tolerance_25C_ppm_max":  20,
                                           "frequency_stability_over_temperature_ppm":  {
                                                                                            "-10_to_70C":  75,
                                                                                            "-40_to_85C":  100,
                                                                                            "-10_to_70C_at_1p2_to_1p5V":  250
                                                                                        },
                                           "aging_1st_year_25C_ppm":  1,
                                           "supply_voltage_V":  {
                                                                    "commercial":  [
                                                                                       1.2,
                                                                                       3.63
                                                                                   ],
                                                                    "industrial":  [
                                                                                       1.5,
                                                                                       3.63
                                                                                   ]
                                                                },
                                           "current_consumption":  {
                                                                       "core_uA_typ":  0.9,
                                                                       "core_uA_typ_-10_to_70C":  1.3,
                                                                       "core_uA_typ_-40_to_85C":  1.4,
                                                                       "output_stage_uA_per_Vpp_typ":  0.065,
                                                                       "output_stage_uA_per_Vpp_max":  0.125
                                                                   },
                                           "power_supply_ramp_time_ms_max":  100,
                                           "startup_time_ms":  {
                                                                   "typ":  150,
                                                                   "max_to_50C":  300,
                                                                   "max_50C_to_85C":  450
                                                               },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ_15pF":  100,
                                                                                           "max_15pF":  200,
                                                                                           "max_5pF":  50
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            48,
                                                                                            52
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             },
                                           "nanodrive_output":  {
                                                                    "ac_coupled_swing_V":  [
                                                                                               0.2,
                                                                                               0.8
                                                                                           ],
                                                                    "dc_biased_VOH_range_V":  [
                                                                                                  0.6,
                                                                                                  1.225
                                                                                              ],
                                                                    "dc_biased_VOL_range_V":  [
                                                                                                  0.35,
                                                                                                  0.8
                                                                                              ],
                                                                    "swing_tolerance_V":  0.055
                                                                },
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  35
                                                      }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Not internally connected; acceptable to connect to chipset XOUT if replacing XTAL."
                     },
                     {
                         "number":  2,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     },
                     {
                         "number":  3,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "Oscillator clock output; typically to chipset XIN."
                     },
                     {
                         "number":  4,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.5–3.63 V (−40 to +85 °C); external bypass not required under normal operation."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     3.63
                                                 ],
                                 "Vdd_short_duration_V":  4.0,
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  3000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  10000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "environmental":  {
                              "moisture":  null
                          },
        "package":  {
                        "options":  [
                                        "2.0 × 1.2 mm SMD"
                                    ],
                        "notes":  [
                                      "XTAL‑compatible solder pad layout (SPL) available; alternate SPL with larger center pads."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1573",
        "product_type":  "µPower, Ultra‑Small 32.768 kHz Oscillator (CSP‑4)",
        "overview":  {
                         "description":  "Micropower 32.768 kHz MEMS oscillator in 1.5 × 0.8 mm CSP with on‑chip filtering; optimized for always‑on timekeeping at lowest power.",
                         "features":  [
                                          "Total frequency stability ±100 ppm over −40 to +85 °C",
                                          "1.5 × 0.8 mm CSP; no external bypass capacitor required",
                                          "Output drives multiple low‑power loads",
                                          "Ultra‑low power: 4 µA typ (5.3 µA max) at 1.8 V, no load",
                                          "Supply 1.62–3.63 V",
                                          "Start‑up 135 ms typ (300 ms max)",
                                          "Pb‑free, RoHS/REACH compliant; PFAS‑free option"
                                      ],
                         "applications":  [
                                              "Health \u0026 wellness monitors",
                                              "Wireless connectivity sleep clock",
                                              "Ultra‑low‑power input devices",
                                              "RTC reference clock"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "total_frequency_stability_over_temperature_ppm":  100,
                                           "aging_1st_year_25C_ppm":  1,
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  30
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ@1p8V":  4.0,
                                                                       "no_load_uA_max@1p8V":  5.3
                                                                   },
                                           "startup_time_ms":  {
                                                                   "typ":  135,
                                                                   "max":  300
                                                               },
                                           "operating_temperature_range_C":  [
                                                                                 -40,
                                                                                 85
                                                                             ],
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  9,
                                                                                           "max":  20
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "32.768 kHz LVCMOS output; can drive multiple low‑power loads."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.62–3.63 V; on‑chip filtering, no external bypass cap required."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "environmental":  {
                              "moisture":  null
                          },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D reflow; avoid ultrasonic/megasonic cleaning."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1534",
        "product_type":  "Ultra‑Small, Ultra‑Low Power 1 Hz – 32.768 kHz Programmable Oscillator (CSP 1.5×0.8 mm / 2012 SMD)",
        "overview":  {
                         "description":  "Programmable 1 Hz to 32.768 kHz MEMS oscillator with \u003c20 ppm tolerance @25 °C and up to 100/150/250 ppm stability over temperature (by range \u0026 VDD), ultra‑low power ~0.9 µA core and NanoDrive™ reduced‑swing output.",
                         "features":  [
                                          "Factory programmable from 32.768 kHz down to 1 Hz (powers of two)",
                                          "\u003c20 ppm frequency tolerance @25 °C, post‑reflow; includes underfill",
                                          "Stability over temp: 75 ppm (−10 to +70 °C), 100 ppm (−40 to +85 °C), 150 ppm (−55 to +85 °C), 250 ppm (−10 to +70 °C @ 1.2–1.5 V)",
                                          "Ultra‑low power: 0.9 µA typ core @1.8 V (25 °C); 1.3/1.4 µA typ over temp",
                                          "VDD range 1.2–3.63 V (1.5–3.63 V for full temp)",
                                          "Oscillator output eliminates XTAL load capacitors; internal VDD filtering (no external bypass)",
                                          "NanoDrive™ programmable output swing (AC 0.2–0.8 V; DC‑biased VOH 0.60–1.225 V / VOL 0.35–0.80 V)",
                                          "LVCMOS option available; pin‑compatible 2012 SMD footprint"
                                      ],
                         "applications":  [
                                              "Mobile/tablets",
                                              "Health \u0026 wellness monitors",
                                              "Fitness watches",
                                              "Sport/action cams",
                                              "Wireless keypads",
                                              "Ultra‑small notebooks",
                                              "PPS timekeeping",
                                              "RTC reference",
                                              "Battery management timekeeping"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "programmable_frequency_range_Hz":  [
                                                                                   1.0,
                                                                                   32768.0
                                                                               ],
                                           "frequency_tolerance_25C_ppm_max":  20,
                                           "frequency_stability_over_temperature_ppm":  {
                                                                                            "-10_to_70C":  75,
                                                                                            "-40_to_85C":  100,
                                                                                            "-55_to_85C":  150,
                                                                                            "-10_to_70C_at_1p2_to_1p5V":  250
                                                                                        },
                                           "aging_1st_year_25C_ppm":  1,
                                           "supply_voltage_V":  {
                                                                    "-10_to_70C":  [
                                                                                       1.2,
                                                                                       3.63
                                                                                   ],
                                                                    "-55_to_85C":  [
                                                                                       1.5,
                                                                                       3.63
                                                                                   ]
                                                                },
                                           "current_consumption":  {
                                                                       "core_uA_typ@1p8V_25C":  0.9,
                                                                       "core_uA_typ_-10_to_70C":  1.3,
                                                                       "core_uA_typ_-55_to_85C":  1.4,
                                                                       "output_stage_uA_per_Vpp_typ":  0.065,
                                                                       "output_stage_uA_per_Vpp_max":  0.125
                                                                   },
                                           "power_supply_ramp_time_ms_max":  100,
                                           "startup_time_ms":  {
                                                                   "25C":  "300 + 1 period",
                                                                   "-55_to_85C":  "500 + 1 period"
                                                               },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ_15pF":  100,
                                                                                           "max_15pF":  200
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            48,
                                                                                            52
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             },
                                           "nanodrive_output":  {
                                                                    "ac_coupled_swing_V":  [
                                                                                               0.2,
                                                                                               0.8
                                                                                           ],
                                                                    "dc_biased_VOH_range_V":  [
                                                                                                  0.6,
                                                                                                  1.225
                                                                                              ],
                                                                    "dc_biased_VOL_range_V":  [
                                                                                                  0.35,
                                                                                                  0.8
                                                                                              ],
                                                                    "swing_tolerance_V":  0.055,
                                                                    "example_codes":  [
                                                                                          "D26",
                                                                                          "D14",
                                                                                          "D74",
                                                                                          "AA3"
                                                                                      ]
                                                                },
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  35
                                                      }
                                       },
        "pins":  [
                     {
                         "package":  "CSP",
                         "map":  [
                                     {
                                         "number":  1,
                                         "name":  "NC",
                                         "type":  "No Connect",
                                         "function":  "No connect; may be tied to chipset XOUT when replacing XTAL."
                                     },
                                     {
                                         "number":  2,
                                         "name":  "GND",
                                         "type":  "Power",
                                         "function":  "Ground."
                                     },
                                     {
                                         "number":  3,
                                         "name":  "CLK Out",
                                         "type":  "Output",
                                         "function":  "Oscillator output to chipset XIN or RefCLK; no load capacitors."
                                     },
                                     {
                                         "number":  4,
                                         "name":  "Vdd",
                                         "type":  "Power",
                                         "function":  "1.2–3.63 V; internal filtering; no external bypass normally required."
                                     }
                                 ]
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     3.63
                                                 ],
                                 "Vdd_short_duration_V":  4.0,
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  3000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  10000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP",
                                        "2.0 × 1.2 mm SMD"
                                    ],
                        "notes":  [
                                      "XTAL‑compatible SPL available; internal power‑supply filtering rejects \u003e±150 mVpp up to 10 MHz."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1569",
        "product_type":  "µPower, Ultra‑Small 1 Hz – 462.5 kHz Programmable Oscillator (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "Factory‑programmable 1 Hz to 462.5 kHz MEMS oscillator with ±50 ppm all‑inclusive stability, µPower operation, and tiny 1.2 mm² footprint.",
                         "features":  [
                                          "Programmable from 1 Hz to 462.5 kHz",
                                          "±50 ppm all‑inclusive frequency stability; ±10 ppm initial tolerance @25 °C",
                                          "µPower: 1.7–3 µA @1 Hz; 3.3–4.6 µA @100 kHz; 8–10 µA @462.5 kHz (typ/max)",
                                          "No external bypass capacitor required (on‑chip VDD filtering)",
                                          "VDD 1.62–3.63 V (1.8–3.3 V nominal range in text)",
                                          "LVCMOS compatible output; 0.6 mm max height",
                                          "Pb‑free, RoHS/REACH; PFAS‑free option"
                                      ],
                         "applications":  [
                                              "Smart stylus",
                                              "Wearable biometric sensing",
                                              "Wireless chargers",
                                              "Portable medical"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "programmable_frequency_range_Hz":  [
                                                                                   1.0,
                                                                                   462500.0
                                                                               ],
                                           "initial_tolerance_25C_ppm":  10,
                                           "frequency_stability_all_inclusive_ppm":  50,
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  4.0,
                                                          "period_jitter_ns_RMS_max":  8.5,
                                                          "test_freq_kHz":  100
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ@1Hz":  1.7,
                                                                       "no_load_uA_max@1Hz":  3.0,
                                                                       "no_load_uA_typ@100kHz":  3.3,
                                                                       "no_load_uA_max@100kHz":  4.6,
                                                                       "no_load_uA_typ@462p5kHz":  8.0,
                                                                       "no_load_uA_max@462p5kHz":  10.0
                                                                   },
                                           "startup_time_ms":  {
                                                                   "\u003e200Hz":  {
                                                                                       "typ":  150,
                                                                                       "max":  300
                                                                                   },
                                                                   "10_to_200Hz":  {
                                                                                       "typ":  "250 + 2.0 cycles",
                                                                                       "max":  "300 + 2.5 cycles"
                                                                                   },
                                                                   "1_to_10Hz":  {
                                                                                     "max":  "500 + 2.5 cycles"
                                                                                 }
                                                               },
                                           "operating_temperature_ranges_C":  {
                                                                                  "commercial":  [
                                                                                                     -20,
                                                                                                     70
                                                                                                 ],
                                                                                  "industrial":  [
                                                                                                     -40,
                                                                                                     85
                                                                                                 ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "min":  10,
                                                                                           "typ":  40,
                                                                                           "max":  70,
                                                                                           "percent_levels":  "20–80%",
                                                                                           "load_pF":  15
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10,
                                                                 "IOH_IOL_condition_uA":  50
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "LVCMOS clock output."
                     },
                     {
                         "number":  3,
                         "name":  "VDD",
                         "type":  "Power",
                         "function":  "1.8–3.3 V nominal (1.62–3.63 V abs operating); on‑chip filtering; no external bypass required."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  200,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D; avoid ultrasonic/megasonic cleaning; polymer top‑coat—consider light shielding in 1.0–1.2 µm IR."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1566",
        "product_type":  "µPower, Low‑Jitter 32.768 kHz Super‑TCXO (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "1.2 mm² chip‑scale 32.768 kHz Super‑TCXO offering ±3 ppm or ±5 ppm all‑inclusive stability across 1.62–3.63 V and temperature, designed for ultra‑low power wearables and RTC applications.",
                         "features":  [
                                          "All‑inclusive frequency stability options: ±3 ppm or ±5 ppm (includes initial tolerance, temp, VDD, load, hysteresis; 5 ppm spec includes 2× reflow \u0026 underfill condition)",
                                          "World’s smallest TCXO footprint: 1.5 × 0.8 mm CSP (1.2 mm²)",
                                          "No external bypass capacitor required (on‑chip filtering)",
                                          "Low integrated phase jitter (IPJ): 1.8–2.5 ns RMS (100 Hz–16.384 kHz)",
                                          "RMS period jitter: 2.5–4 ns; pk‑pk: 20–35 ns",
                                          "Ultra‑low power: 4.5 µA typ (5.3 µA max) no‑load",
                                          "Supply range: 1.62–3.63 V (1.8 V ±10% nominal)",
                                          "Operating temperature options: −20 to +70 °C (C), −40 to +85 °C (I)",
                                          "Pb‑free, RoHS/REACH; PFAS‑free option ‘P’"
                                      ],
                         "applications":  [
                                              "Smart watches \u0026 wearables",
                                              "Health \u0026 wellness monitors",
                                              "Ultra‑accurate RTC reference clock",
                                              "Smart utility / E‑meters",
                                              "IoT with BLE"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_stability_all_inclusive_ppm":  {
                                                                                         "option_V_±3ppm":  3,
                                                                                         "option_E_±5ppm":  5
                                                                                     },
                                           "allan_deviation_1s":  {
                                                                      "typ":  1E-08,
                                                                      "max":  4E-08
                                                                  },
                                           "aging_1st_year_25C_ppm":  1,
                                           "dynamic_temp_frequency_response_ppm_per_sec":  {
                                                                                               "min":  -0.5,
                                                                                               "max":  0.5,
                                                                                               "ramp_C_per_sec":  1.5
                                                                                           },
                                           "jitter":  {
                                                          "integrated_phase_jitter_ns_RMS":  {
                                                                                                 "typ":  1.8,
                                                                                                 "max":  2.5,
                                                                                                 "band_Hz":  [
                                                                                                                 100,
                                                                                                                 16384
                                                                                                             ]
                                                                                             },
                                                          "period_jitter_ns_RMS":  {
                                                                                       "typ":  2.5,
                                                                                       "max":  4.0,
                                                                                       "samples":  10000
                                                                                   },
                                                          "period_jitter_ns_pk_pk":  {
                                                                                         "typ":  20,
                                                                                         "max":  35
                                                                                     }
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ":  4.5,
                                                                       "no_load_uA_max":  5.3
                                                                   },
                                           "startup_time_ms_max":  300,
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            -20,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  9,
                                                                                           "max":  20,
                                                                                           "load_pF":  15
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10,
                                                                 "IOH_IOL_condition_uA":  50
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating (do not connect to GND)."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "LVCMOS clock output."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.8 V ±10% nominal; internal filtering. In high‑noise systems, 10–100 nF bypass may be used."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  200,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D reflow; avoid ultrasonic/megasonic cleaning; polymer top‑coat—consider light shielding in 1.0–1.2 µm IR."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1568",
        "product_type":  "µPower, 5‑ppm 32.768 kHz TCXO with In‑System Auto‑Calibration (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "1.2 mm² TCXO with on‑pin in‑system auto‑calibration to remove assembly‑induced offsets; ±5 ppm all‑inclusive stability after overmold and post calibration; ultra‑low power.",
                         "features":  [
                                          "All‑inclusive stability ±5 ppm (after overmold and post auto‑calibration)",
                                          "Auto‑cal compensates board‑level stress and assembly offsets (pin‑1 interface)",
                                          "Pre‑cal (after overmold) stability: ±25 ppm; post‑cal: ±5 ppm",
                                          "World’s smallest TCXO footprint: 1.5 × 0.8 mm CSP (1.2 mm²)",
                                          "No external bypass capacitor required (on‑chip filtering)",
                                          "IPJ 1.8–2.5 ns RMS; RMS period jitter 2.5–4 ns; pk‑pk 20–35 ns",
                                          "Ultra‑low power: 4.5 µA typ (5.3 µA max) no‑load",
                                          "Supply: 1.8 V ±10% (auto‑cal mode requires 0.1 µF VDD bypass)",
                                          "Operating temperature options: −20 to +70 °C (C), −40 to +85 °C (I)",
                                          "Pb‑free, RoHS/REACH; PFAS‑free option ‘P’"
                                      ],
                         "applications":  [
                                              "Wearables \u0026 health monitors",
                                              "Ultra‑accurate RTC",
                                              "Smart meters / E‑meters",
                                              "IoT nodes"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_stability_all_inclusive_ppm":  {
                                                                                         "after_overmold_before_calibration":  25,
                                                                                         "after_overmold_after_calibration":  5,
                                                                                         "without_overmold_or_calibration":  5
                                                                                     },
                                           "allan_deviation_1s":  {
                                                                      "typ":  1E-08,
                                                                      "max":  4E-08
                                                                  },
                                           "aging_1st_year_25C_ppm":  1,
                                           "dynamic_temp_frequency_response_ppm_per_sec":  {
                                                                                               "min":  -0.5,
                                                                                               "max":  0.5,
                                                                                               "ramp_C_per_sec":  1.5
                                                                                           },
                                           "jitter":  {
                                                          "integrated_phase_jitter_ns_RMS":  {
                                                                                                 "typ":  1.8,
                                                                                                 "max":  2.5,
                                                                                                 "band_Hz":  [
                                                                                                                 100,
                                                                                                                 16384
                                                                                                             ]
                                                                                             },
                                                          "period_jitter_ns_RMS":  {
                                                                                       "typ":  2.5,
                                                                                       "max":  4.0,
                                                                                       "samples":  10000
                                                                                   },
                                                          "period_jitter_ns_pk_pk":  {
                                                                                         "typ":  20,
                                                                                         "max":  35
                                                                                     }
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    1.98
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ":  4.5,
                                                                       "no_load_uA_max":  5.3
                                                                   },
                                           "startup_time_ms_max":  300,
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            -20,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  9,
                                                                                           "max":  20,
                                                                                           "load_pF":  15
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "Auto-Cal / NC",
                         "type":  "Control Input / NC",
                         "function":  "Apply auto‑calibration signals; leave floating when not used."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "LVCMOS clock output."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.8 V ±10%; internal filtering; add 0.1 µF bypass during auto‑cal mode."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "auto_calibration":  {
                                 "reference_clock":  {
                                                         "frequency_MHz":  10.0,
                                                         "tolerance_ppb":  100,
                                                         "rise_fall_time_ns":  [
                                                                                   4,
                                                                                   20
                                                                               ],
                                                         "duty_cycle_percent":  [
                                                                                    40,
                                                                                    60
                                                                                ],
                                                         "period_jitter_ps_RMS_max":  200,
                                                         "allan_dev_ppb_at_1s_max":  10
                                                     },
                                 "pin1_electrical":  {
                                                         "input_impedance_kOhm":  80,
                                                         "VIH_percent_Vdd_min":  70,
                                                         "VIL_percent_Vdd_max":  30,
                                                         "Vprog_V":  [
                                                                         3.4,
                                                                         3.5,
                                                                         3.63
                                                                     ],
                                                         "Iprog_mA_peak_max":  30,
                                                         "Iprog_mA_avg_max":  5,
                                                         "auto_cal_voltage_noise_mVpp_max":  50
                                                     },
                                 "vdd_requirements":  {
                                                          "Vdd_cal_V":  [
                                                                            1.71,
                                                                            1.8,
                                                                            1.98
                                                                        ],
                                                          "bypass_cap_uF":  0.1,
                                                          "Idd_prog_pin3_mA_max":  1,
                                                          "Vdd_power_down_threshold_V_max":  0.7
                                                      },
                                 "timing":  {
                                                "settle_time_hr_min":  24,
                                                "t_powerup_to_refin_s_min":  0.5,
                                                "t_detect_refin_to_flag65k_ms_max":  1.2,
                                                "t_auto_cal_s":  [
                                                                     2,
                                                                     5
                                                                 ],
                                                "pin1_float_us_min":  200,
                                                "t_prog_ramp_up_us":  [
                                                                          1,
                                                                          100
                                                                      ],
                                                "t_prog_detect_to_flag10k_ms_max":  100,
                                                "t_prog_ramp_down_us":  [
                                                                            1,
                                                                            100
                                                                        ],
                                                "t_mem_prog_ms_max":  100,
                                                "t_prog_to_powerdown_ms_min":  1
                                            },
                                 "status_error_flags":  {
                                                            "in_progress":  {
                                                                                "flag_freq_kHz":  65.536
                                                                            },
                                                            "ready_memory_burn":  {
                                                                                      "flag_freq_kHz":  20.48
                                                                                  },
                                                            "prog_voltage_detected":  {
                                                                                          "flag_freq_kHz":  10.24
                                                                                      },
                                                            "success":  {
                                                                            "flag_freq_kHz":  32.768,
                                                                            "tolerance_ppm":  3
                                                                        },
                                                            "ref_lost_step3":  {
                                                                                   "flag_freq_kHz":  5.12,
                                                                                   "retry":  true
                                                                               },
                                                            "correction_out_of_range":  {
                                                                                            "flag_freq_kHz":  2.56,
                                                                                            "retry":  true
                                                                                        },
                                                            "memory_burn_failed":  {
                                                                                       "flag_freq_kHz":  1.28,
                                                                                       "retry":  false
                                                                                   },
                                                            "prog_voltage_lost_step3":  {
                                                                                            "flag_freq_kHz":  0.64,
                                                                                            "retry":  false
                                                                                        }
                                                        }
                             },
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  200,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D; avoid ultrasonic/megasonic cleaning; auto‑cal requires 0.1 µF VDD bypass."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1572",
        "product_type":  "µPower, Ultra‑Small 32.768 kHz Oscillator (CSP‑4)",
        "overview":  {
                         "description":  "Micropower 32.768 kHz MEMS oscillator with ±50 ppm total stability over temperature; 1.5 × 0.8 mm CSP; on‑chip supply filtering and no external bypass required.",
                         "features":  [
                                          "±10 ppm initial tolerance at 25 °C; ±50 ppm over −40 to +85 °C",
                                          "Smallest footprint 1.2 mm² (1.5 × 0.8 mm CSP)",
                                          "No external Vdd bypass capacitor required",
                                          "Output drives multiple loads; eliminates discrete XTALs",
                                          "Ultra‑low power: 4.5 µA typ (5.3 µA max) at 1.8 V, no load",
                                          "Supply range 1.62–3.63 V",
                                          "Start‑up 135 ms typ (300 ms max)",
                                          "Pb‑free, RoHS/REACH; PFAS‑free option"
                                      ],
                         "applications":  [
                                              "Health and wellness monitors",
                                              "Wireless connectivity sleep clock",
                                              "ULP input devices",
                                              "RTC reference clock"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_tolerance_25C_ppm":  {
                                                                               "min":  -10,
                                                                               "typ":  1,
                                                                               "max":  10
                                                                           },
                                           "frequency_stability_over_temperature_ppm":  {
                                                                                            "-40_to_85C":  50
                                                                                        },
                                           "aging_1st_year_25C_ppm":  1,
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  2.5,
                                                          "period_jitter_ns_RMS_max":  4.0
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ@1p8V":  4.0,
                                                                       "no_load_uA_max@1p8V":  5.3
                                                                   },
                                           "startup_time_ms":  {
                                                                   "typ":  135,
                                                                   "max":  300
                                                               },
                                           "operating_temperature_range_C":  [
                                                                                 -40,
                                                                                 85
                                                                             ],
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  9,
                                                                                           "max":  20
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "32.768 kHz LVCMOS output; drive strength supports multiple low‑power loads."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.62–3.63 V; on‑chip filtering; no external bypass required."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "environmental":  {
                              "moisture":  null
                          },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Avoid ultrasonic/megasonic cleaning; follow JESD22‑A113D reflow."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1811",
        "product_type":  "Ultra‑Low Power, Low‑Jitter 32.768 kHz Oscillator (1.2 × 1.1 mm QFN)",
        "overview":  {
                         "description":  "Sub‑microamp 32.768 kHz MEMS oscillator with 510 nA typical no‑load current, ±20 ppm total stability, and 1.35–1.98 V operation in a 1.2 × 1.1 mm QFN.",
                         "features":  [
                                          "Fout = 32.768 kHz; ±20 ppm total frequency stability",
                                          "Ultra‑low power: 510 nA typ (635 nA max) at 1.8 V, no load",
                                          "Very small 1.32 mm² QFN (1.2 × 1.1 mm)",
                                          "Supply 1.35–1.98 V",
                                          "Operating temp options: 0 to +70 °C (N), −10 to +85 °C (K)",
                                          "RMS period jitter 2.5–8 ns; integrated phase jitter 3–9 ns (100 Hz–16 kHz)"
                                      ],
                         "applications":  [
                                              "Wearables and hearables",
                                              "Health and wellness monitors",
                                              "Gaming and remote controllers",
                                              "AR/VR headsets"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_tolerance_25C_ppm":  {
                                                                               "min":  -20,
                                                                               "max":  20
                                                                           },
                                           "frequency_stability_over_temperature_ppm":  {
                                                                                            "total_over_temp_VDD_aging_load":  20
                                                                                        },
                                           "jitter":  {
                                                          "integrated_phase_jitter_ns_RMS_typ":  3,
                                                          "integrated_phase_jitter_ns_RMS_max":  9,
                                                          "period_jitter_ns_RMS_typ":  2.5,
                                                          "period_jitter_ns_RMS_max":  8
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.35,
                                                                    1.98
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_nA_typ@1p8V":  510,
                                                                       "no_load_nA_max@1p8V":  635
                                                                   },
                                           "startup_time_ms_max":  115,
                                           "operating_temperature_ranges_C":  {
                                                                                  "N":  [
                                                                                            0,
                                                                                            70
                                                                                        ],
                                                                                  "K":  [
                                                                                            -10,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  20,
                                                                                           "max":  40
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_VDD":  90,
                                                                 "VOL_max_percent_VDD":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "CLK-0",
                         "type":  "Output",
                         "function":  "Oscillator clock output (LVCMOS)."
                     },
                     {
                         "number":  2,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     },
                     {
                         "number":  3,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "No connect."
                     },
                     {
                         "number":  4,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "No connect."
                     },
                     {
                         "number":  5,
                         "name":  "VDD",
                         "type":  "Power",
                         "function":  "1.35–1.98 V supply; on‑chip filtering; no external bypass required."
                     },
                     {
                         "number":  6,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "No connect."
                     }
                 ],
        "absolute_maximum":  {
                                 "VDD_range_V":  [
                                                     -0.5,
                                                     2.2
                                                 ],
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  500,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  130,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.2 × 1.1 mm QFN"
                                    ],
                        "notes":  [
                                      "Follow layout guidance; optional bypass capacitor footprint supported."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1630",
        "product_type":  "Ultra‑Low Power, Ultra‑Small 32.768 kHz / 16.384 kHz Oscillator (2012 SMD or SOT23‑5)",
        "overview":  {
                         "description":  "32.768 kHz or 16.384 kHz MEMS oscillator with \u003c20 ppm initial tolerance and up to 100/150 ppm stability over temp; ultra‑low power and internal supply filtering.",
                         "features":  [
                                          "\u003c20 ppm initial tolerance @ 25 °C",
                                          "\u003c100 ppm stability (−40 to +85 °C); 150 ppm up to +105 °C or −55 to +85 °C",
                                          "Ultra‑low power: 1.0 µA typ (no load)",
                                          "Supply 1.5–3.63 V",
                                          "Small SMD 2.0 × 1.2 mm (2012) and SOT23‑5 options",
                                          "Internal filtering eliminates external Vdd bypass capacitors"
                                      ],
                         "applications":  [
                                              "Industrial timekeeping",
                                              "Industrial battery management",
                                              "Multi‑drop 32 kHz clock distribution",
                                              "Bluetooth/Wi‑Fi modules",
                                              "RTC reference clock"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequencies_kHz":  [
                                                                         32.768,
                                                                         16.384
                                                                     ],
                                           "frequency_tolerance_25C_ppm_max":  20,
                                           "frequency_stability_over_temperature_ppm":  {
                                                                                            "-10_to_70C":  75,
                                                                                            "-40_to_85C":  100,
                                                                                            "-40_to_105C_or_-55_to_85C":  150
                                                                                        },
                                           "aging_1st_year_25C_ppm":  1,
                                           "supply_voltage_V":  [
                                                                    1.5,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ":  1.0,
                                                                       "over_temp_uA_typ_-10_to_70C":  1.3,
                                                                       "over_temp_uA_typ_-40_to_85C":  1.4,
                                                                       "over_temp_uA_typ_-40_to_105C":  2.8
                                                                   },
                                           "power_supply_ramp_time_ms_max":  100,
                                           "startup_time_ms":  {
                                                                   "typ":  180,
                                                                   "max_to_50C":  300,
                                                                   "max_to_85C":  450,
                                                                   "max_-55_or_105C":  "500 + 1 period"
                                                               },
                                           "operating_temperature_ranges_C":  {
                                                                                  "commercial":  [
                                                                                                     -10,
                                                                                                     70
                                                                                                 ],
                                                                                  "industrial":  [
                                                                                                     -40,
                                                                                                     85
                                                                                                 ],
                                                                                  "extended_industrial":  [
                                                                                                              -40,
                                                                                                              105
                                                                                                          ],
                                                                                  "extended_cold_industrial":  [
                                                                                                                   -55,
                                                                                                                   85
                                                                                                               ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  100,
                                                                                           "max":  200
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            48,
                                                                                            52
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10,
                                                                 "max_load_pF":  50
                                                             },
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  35
                                                      }
                                       },
        "pins":  [
                     {
                         "package":  "2012 SMD",
                         "map":  [
                                     {
                                         "number":  1,
                                         "name":  "NC/GND",
                                         "type":  "No Connect",
                                         "function":  "Connect to GND or leave floating."
                                     },
                                     {
                                         "number":  2,
                                         "name":  "GND",
                                         "type":  "Power",
                                         "function":  "Power supply ground."
                                     },
                                     {
                                         "number":  3,
                                         "name":  "CLK Out",
                                         "type":  "Output",
                                         "function":  "Oscillator clock output; typically connects to XIN of MCU."
                                     },
                                     {
                                         "number":  4,
                                         "name":  "Vdd",
                                         "type":  "Power",
                                         "function":  "1.5–3.63 V; internal supply filtering; no external bypass required."
                                     }
                                 ]
                     },
                     {
                         "package":  "SOT23-5",
                         "map":  [
                                     {
                                         "number":  1,
                                         "name":  "GND",
                                         "type":  "Power",
                                         "function":  "Ground."
                                     },
                                     {
                                         "number":  2,
                                         "name":  "NC/GND",
                                         "type":  "No Connect",
                                         "function":  "Connect to GND or leave floating."
                                     },
                                     {
                                         "number":  3,
                                         "name":  "NC/GND",
                                         "type":  "No Connect",
                                         "function":  "Connect to GND or leave floating."
                                     },
                                     {
                                         "number":  4,
                                         "name":  "Vdd",
                                         "type":  "Power",
                                         "function":  "1.5–3.63 V supply; internal filtering."
                                     },
                                     {
                                         "number":  5,
                                         "name":  "CLK Out",
                                         "type":  "Output",
                                         "function":  "Oscillator clock output."
                                     }
                                 ]
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     3.63
                                                 ],
                                 "Vdd_short_duration_V":  4.0,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  3000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  10000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "2.0 × 1.2 mm SMD (2012)",
                                        "SOT23‑5"
                                    ],
                        "notes":  [
                                      "XTAL‑compatible layout; internal power‑supply filtering rejects \u003e±150 mVpp up to 10 MHz."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1580",
        "product_type":  "Ultra-small, µPower, Low-Jitter 32.768 kHz TCXO (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "1.2 mm² chip-scale 32.768 kHz temperature-compensated MEMS oscillator (TCXO) with ±5 ppm all-inclusive stability, low jitter, and ultra‑low power.",
                         "features":  [
                                          "All-inclusive frequency stability ±5 ppm (initial + temperature + voltage + load)",
                                          "World’s smallest TCXO footprint: 1.5 × 0.8 mm CSP (1.2 mm²)",
                                          "LVCMOS output drives multiple loads",
                                          "Low integrated phase jitter (IPJ): 1.8–2.5 ns RMS (100 Hz–16.384 kHz)",
                                          "RMS period jitter: 2.5–4 ns; pk‑pk period jitter: 20–30 ns",
                                          "Ultra‑low power: 4.5 µA typ (5.3 µA max), no load",
                                          "Supply voltage: 1.62–1.98 V (1.8 V ±10%)",
                                          "Operating temperature ranges: −20 to +70 °C (C) or −40 to +85 °C (I)",
                                          "Pb-free, RoHS/REACH; PFAS‑free option ‘P’",
                                          "Hermetically sealed against gas intrusion (exceeds MIL‑STD‑883G Method 1014.12)"
                                      ],
                         "applications":  [
                                              "Smart watches and wearables",
                                              "Health and wellness monitors",
                                              "Smart utility / e‑meters",
                                              "Ultra‑accurate RTC reference clock",
                                              "Embedded IoT modules"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_stability_all_inclusive_ppm":  5,
                                           "allan_deviation_1s":  {
                                                                      "typ":  1E-08,
                                                                      "max":  4E-08
                                                                  },
                                           "humidity_sensitivity_ppm_per_pctRH":  0.1,
                                           "aging_1st_year_25C_ppm":  1,
                                           "jitter":  {
                                                          "integrated_phase_jitter_ns_RMS":  {
                                                                                                 "typ":  1.8,
                                                                                                 "max":  2.5,
                                                                                                 "band_Hz":  [
                                                                                                                 100,
                                                                                                                 16384
                                                                                                             ]
                                                                                             },
                                                          "period_jitter_ns_RMS":  {
                                                                                       "typ":  2.5,
                                                                                       "max":  4.0,
                                                                                       "samples":  10000
                                                                                   },
                                                          "period_jitter_ns_pk_pk":  {
                                                                                         "typ":  20,
                                                                                         "max":  30
                                                                                     }
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    1.98
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ":  4.5,
                                                                       "no_load_uA_max":  5.3
                                                                   },
                                           "startup_time_ms_max":  300,
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            -20,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  9,
                                                                                           "max":  20,
                                                                                           "load_pF":  15
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating (do not connect to GND)."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "LVCMOS clock output; can drive multiple loads."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.62–1.98 V; on‑chip filtering. Use 10–100 nF bypass if supply is slow to respond."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  200,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D; avoid ultrasonic/megasonic cleaning; add light shielding if exposed to intense 1.0–1.2 µm IR."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1552",
        "product_type":  "Smallest (1.2 mm²) Ultra‑Low Power 32.768 kHz MEMS TCXO (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "Chip‑scale 32.768 kHz TCXO with 5/10/20 ppm stability options, ~1 µA core current, internal supply filtering, and NanoDrive™ reduced‑swing options.",
                         "features":  [
                                          "Frequency stability options over temperature: ±5 ppm, ±10 ppm, ±20 ppm",
                                          "1.5 × 0.8 mm CSP (1.2 mm²) — world’s smallest 32 kHz TCXO",
                                          "Operating temperature options: 0 to +70 °C (C), −40 to +85 °C (I)",
                                          "Ultra‑low power: ~0.99 µA core typ; ≤1.52 µA over −40 to +85 °C (no load)",
                                          "Vdd 1.5–3.63 V; internal filtering eliminates external bypass cap",
                                          "NanoDrive™ programmable reduced‑swing output (200–800 mV) or full‑swing LVCMOS",
                                          "Improved stability reduces network timekeeping updates"
                                      ],
                         "applications":  [
                                              "Smart meters (AMR)",
                                              "Health \u0026 wellness monitors",
                                              "PPS timekeeping",
                                              "RTC reference clock"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "fixed_frequency_kHz":  32.768,
                                           "frequency_stability_over_temperature_ppm":  {
                                                                                            "code_E_without_initial_offset":  5,
                                                                                            "code_F_without_initial_offset":  10,
                                                                                            "code_1_without_initial_offset":  20,
                                                                                            "code_E_with_initial_offset":  10,
                                                                                            "code_F_with_initial_offset":  13,
                                                                                            "code_1_with_initial_offset":  22
                                                                                        },
                                           "frequency_stability_vs_voltage_ppm":  {
                                                                                      "1p8V_±10pct":  0.75,
                                                                                      "1p5_to_3p63V":  1.5
                                                                                  },
                                           "aging_1st_year_25C_ppm":  1,
                                           "jitter":  {
                                                          "period_jitter_ns_RMS_typ":  35,
                                                          "long_term_jitter_us_pk_pk_max":  2.5,
                                                          "long_term_window":  "81920 cycles (2.5 s), 100 samples"
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.5,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "core_uA_typ@1p8V_25C":  0.99,
                                                                       "core_uA_max_over_-40_to_85C":  1.52
                                                                   },
                                           "power_supply_ramp_time_ms_max":  100,
                                           "startup_time_ms":  {
                                                                   "typ":  180,
                                                                   "max_-40C_to_+60C":  300,
                                                                   "max_+60C_to_+70C":  350,
                                                                   "max_+70C_to_+85C":  380
                                                               },
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            0,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ_15pF":  100,
                                                                                           "max_15pF":  200,
                                                                                           "max_5pF":  50
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            48,
                                                                                            52
                                                                                        ],
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10
                                                             },
                                           "nanodrive_output":  {
                                                                    "ac_coupled_swing_V":  [
                                                                                               0.2,
                                                                                               0.8
                                                                                           ],
                                                                    "dc_biased_VOH_range_V":  [
                                                                                                  0.6,
                                                                                                  1.225
                                                                                              ],
                                                                    "dc_biased_VOL_range_V":  [
                                                                                                  0.35,
                                                                                                  0.8
                                                                                              ],
                                                                    "swing_tolerance_V":  0.055,
                                                                    "recommended_codes":  [
                                                                                              "D26",
                                                                                              "D14",
                                                                                              "D74",
                                                                                              "AA3"
                                                                                          ]
                                                                }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground (pin 1 and 4 may be tied together; both must connect to GND)."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "Oscillator clock output; internal driver makes performance load‑independent."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.5–3.63 V; internal filtering; normally no external bypass needed."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     3.63
                                                 ],
                                 "Vdd_short_duration_V":  4.0,
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  3000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  10000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "No ultrasonic cleaning; do not use underfill (stability may be impacted); follow JESD22‑A113D reflow."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1581",
        "product_type":  "µPower, Low‑Jitter 1 Hz – 2.5 MHz Oscillator (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "Factory‑programmable MEMS oscillator covering 1 Hz to 2.5 MHz with ±50 ppm all‑inclusive stability, ultra‑low power, and 1.2 mm² footprint.",
                         "features":  [
                                          "Programmable 1 Hz to 2.5 MHz",
                                          "±50 ppm all‑inclusive stability (initial, temp, VDD, aging, board underfill, 20% load)",
                                          "World’s smallest footprint: 1.5 × 0.8 mm CSP (1.2 mm²)",
                                          "Ultra‑low power: 4.5 µA typ at 32.768 kHz",
                                          "Supply options: 1.62–1.98 V; also 3.3 V and 1.8–3.3 V ordering codes for 32.768 kHz",
                                          "Operating temp codes: C (−20 to +70 °C), I (−40 to +85 °C)",
                                          "Hermetic sealing exceeds MIL‑STD‑883G Method 1014.12",
                                          "Pb‑free, RoHS/REACH; PFAS‑free option"
                                      ],
                         "applications":  [
                                              "Health \u0026 wellness monitors",
                                              "Smart pens",
                                              "ULP input devices",
                                              "Proprietary wireless",
                                              "Sensor interfaces"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "programmable_frequency_range_Hz":  [
                                                                                   1.0,
                                                                                   2500000.0
                                                                               ],
                                           "initial_tolerance_25C_ppm":  {
                                                                             "min":  -5,
                                                                             "max":  5
                                                                         },
                                           "frequency_stability_all_inclusive_ppm":  50,
                                           "jitter":  {
                                                          "integrated_phase_jitter_ns_RMS_typ":  2.0,
                                                          "integrated_phase_jitter_ns_RMS_max":  3.5,
                                                          "band":  "100 Hz to Fout/2",
                                                          "rms_period_jitter_ns_typ":  2.5,
                                                          "rms_period_jitter_ns_max":  4.0,
                                                          "test_freq_kHz":  32.768
                                                      },
                                           "supply_voltage_options":  {
                                                                          "standard_V":  [
                                                                                             1.62,
                                                                                             1.98
                                                                                         ],
                                                                          "ordering_code_33_V":  3.3,
                                                                          "ordering_code_YY_range_V":  [
                                                                                                           1.8,
                                                                                                           3.3
                                                                                                       ]
                                                                      },
                                           "current_consumption":  {
                                                                       "no_load_uA_typ@1Hz":  3.65,
                                                                       "no_load_uA_max@1Hz":  5.0,
                                                                       "no_load_uA_typ@32kHz_V18":  4.5,
                                                                       "no_load_uA_max@32kHz_V18":  5.5,
                                                                       "no_load_uA_typ@32kHz_V33_or_YY":  4.6,
                                                                       "no_load_uA_max@32kHz_V33_or_YY":  5.8,
                                                                       "no_load_uA_typ@100kHz":  6.0,
                                                                       "no_load_uA_max@100kHz":  7.0,
                                                                       "no_load_uA_typ@500kHz":  8.5,
                                                                       "no_load_uA_max@500kHz":  10.5,
                                                                       "no_load_uA_typ@1MHz":  13.0,
                                                                       "no_load_uA_max@1MHz":  16.0,
                                                                       "no_load_uA_typ@2p5MHz":  30.0,
                                                                       "no_load_uA_max@2p5MHz":  34.5
                                                                   },
                                           "startup_time_ms":  {
                                                                   "\u003e200Hz":  {
                                                                                       "typ":  150,
                                                                                       "max":  300
                                                                                   },
                                                                   "10_to_200Hz":  {
                                                                                       "typ":  "300 + 2.0 cycles",
                                                                                       "max":  "300 + 2.5 cycles"
                                                                                   },
                                                                   "1_to_10Hz":  {
                                                                                     "max":  "500 + 3 cycles"
                                                                                 }
                                                               },
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            -20,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ_V18_or_YY":  9,
                                                                                           "max_V18_or_YY":  20,
                                                                                           "typ_V33":  4.5,
                                                                                           "max_V33":  10,
                                                                                           "load_pF":  15,
                                                                                           "percent":  "10–90%"
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_VDD":  90,
                                                                 "VOL_max_percent_VDD":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "LVCMOS clock output."
                     },
                     {
                         "number":  3,
                         "name":  "VDD",
                         "type":  "Power",
                         "function":  "Supply; on‑chip filtering; no external bypass required."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D; avoid ultrasonic/megasonic cleaning; polymer top‑coat/light shielding guidance."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1576",
        "product_type":  "µPower, Low‑Jitter 1 Hz – 2.5 MHz Super‑TCXO (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "Factory‑programmable TCXO across 1 Hz to 2.5 MHz with ±5 ppm (code E) or ±20 ppm (code 1) all‑inclusive stability; ultra‑low power and tiny CSP.",
                         "features":  [
                                          "±5 ppm or ±20 ppm all‑inclusive stability options",
                                          "Programmable 1 Hz to 2.5 MHz",
                                          "Ultra‑low power ~6 µA at 100 kHz",
                                          "VDD 1.62–3.63 V",
                                          "Temp ranges: C (−20 to +70 °C), I (−40 to +85 °C)",
                                          "No external bypass capacitor required; on‑chip filtering",
                                          "Pb‑free, RoHS/REACH; PFAS‑free option"
                                      ],
                         "applications":  [
                                              "Health \u0026 wellness monitors",
                                              "Smart pens",
                                              "ULP input devices",
                                              "Proprietary wireless",
                                              "Sensor interface"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "programmable_frequency_range_Hz":  [
                                                                                   1.0,
                                                                                   2500000.0
                                                                               ],
                                           "all_inclusive_stability_options_ppm":  {
                                                                                       "E":  5,
                                                                                       "1":  20
                                                                                   },
                                           "allan_deviation_1s":  {
                                                                      "typ":  1E-08,
                                                                      "max":  4E-08
                                                                  },
                                           "aging_1st_year_25C_ppm":  1,
                                           "jitter":  {
                                                          "integrated_phase_jitter_ns_RMS_typ":  2.0,
                                                          "integrated_phase_jitter_ns_RMS_max":  3.5,
                                                          "rms_period_jitter_ns_typ":  2.2,
                                                          "rms_period_jitter_ns_max":  4.5,
                                                          "test_freq_kHz":  100
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ@1Hz":  3.65,
                                                                       "no_load_uA_max@1Hz":  5.0,
                                                                       "no_load_uA_typ@33kHz":  4.5,
                                                                       "no_load_uA_max@33kHz":  5.5,
                                                                       "no_load_uA_typ@100kHz":  6.0,
                                                                       "no_load_uA_max@100kHz":  7.0,
                                                                       "no_load_uA_typ@1MHz":  13.0,
                                                                       "no_load_uA_max@1MHz":  16.0,
                                                                       "no_load_uA_typ@2MHz":  33.0,
                                                                       "no_load_uA_max@2MHz":  40.0
                                                                   },
                                           "startup_time_ms":  {
                                                                   "\u003e200Hz":  {
                                                                                       "typ":  150,
                                                                                       "max":  300
                                                                                   },
                                                                   "10_to_200Hz":  {
                                                                                       "typ":  "300 + 2.0 cycles",
                                                                                       "max":  "300 + 2.5 cycles"
                                                                                   },
                                                                   "1_to_10Hz":  {
                                                                                     "max":  "500 + 2.5 cycles"
                                                                                 }
                                                               },
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            -20,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  9,
                                                                                           "max":  20,
                                                                                           "percent_levels":  "20–80%",
                                                                                           "load_pF":  15
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_VDD":  90,
                                                                 "VOL_max_percent_VDD":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "LVCMOS clock output."
                     },
                     {
                         "number":  3,
                         "name":  "Vdd",
                         "type":  "Power",
                         "function":  "1.8–3.3 V nominal; on‑chip filtering; no external bypass required."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D; avoid ultrasonic/megasonic cleaning; dynamic temp response guidance."
                                  ]
                    }
    },
    {
        "product_name":  "SiT1579",
        "product_type":  "µPower, Low‑Jitter 1 Hz – 2.5 MHz Oscillator (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "Factory‑programmable MEMS oscillator for 1 Hz to 2.5 MHz with ±50 ppm all‑inclusive stability and ultra‑low power across wide VDD range.",
                         "features":  [
                                          "Programmable 1 Hz to 2.5 MHz",
                                          "±50 ppm all‑inclusive stability; ±10 ppm initial tolerance @25 °C",
                                          "Ultra‑low power: ~6 µA at 100 kHz",
                                          "VDD 1.62–3.63 V",
                                          "Temp ranges: C (−20 to +70 °C), I (−40 to +85 °C)",
                                          "No external bypass capacitor required; on‑chip filtering",
                                          "Pb‑free, RoHS/REACH compliant"
                                      ],
                         "applications":  [
                                              "Health \u0026 wellness monitors",
                                              "Smart pens",
                                              "ULP input devices",
                                              "Proprietary wireless",
                                              "Sensor interface"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "programmable_frequency_range_Hz":  [
                                                                                   1.0,
                                                                                   2500000.0
                                                                               ],
                                           "initial_tolerance_25C_ppm":  10,
                                           "frequency_stability_all_inclusive_ppm":  50,
                                           "jitter":  {
                                                          "integrated_phase_jitter_ns_RMS_typ":  2.0,
                                                          "integrated_phase_jitter_ns_RMS_max":  3.5,
                                                          "rms_period_jitter_ns_typ":  2.2,
                                                          "rms_period_jitter_ns_max":  4.5,
                                                          "test_freq_kHz":  100
                                                      },
                                           "supply_voltage_V":  [
                                                                    1.62,
                                                                    3.63
                                                                ],
                                           "current_consumption":  {
                                                                       "no_load_uA_typ@1Hz":  3.65,
                                                                       "no_load_uA_max@1Hz":  5.0,
                                                                       "no_load_uA_typ@33kHz":  4.5,
                                                                       "no_load_uA_max@33kHz":  5.5,
                                                                       "no_load_uA_typ@100kHz":  6.0,
                                                                       "no_load_uA_max@100kHz":  7.0,
                                                                       "no_load_uA_typ@1MHz":  13.0,
                                                                       "no_load_uA_max@1MHz":  16.0,
                                                                       "no_load_uA_typ@2MHz":  33.0,
                                                                       "no_load_uA_max@2MHz":  40.0
                                                                   },
                                           "startup_time_ms":  {
                                                                   "\u003e200Hz":  {
                                                                                       "typ":  150,
                                                                                       "max":  300
                                                                                   },
                                                                   "10_to_200Hz":  {
                                                                                       "typ":  "300 + 2.0 cycles",
                                                                                       "max":  "300 + 2.5 cycles"
                                                                                   },
                                                                   "1_to_10Hz":  {
                                                                                     "max":  "500 + 3 cycles"
                                                                                 }
                                                               },
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            -20,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              },
                                           "lvcmos_output":  {
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ":  9,
                                                                                           "max":  20,
                                                                                           "percent_levels":  "20–80%",
                                                                                           "load_pF":  15
                                                                                       },
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "VOH_min_percent_VDD":  90,
                                                                 "VOL_max_percent_VDD":  10
                                                             }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "NC",
                         "type":  "No Connect",
                         "function":  "Internal test; leave floating."
                     },
                     {
                         "number":  2,
                         "name":  "CLK Out",
                         "type":  "Output",
                         "function":  "LVCMOS clock output."
                     },
                     {
                         "number":  3,
                         "name":  "VDD",
                         "type":  "Power",
                         "function":  "1.8–3.3 V nominal; on‑chip filtering; no external bypass required."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     4.0
                                                 ],
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  300,
                                 "mechanical_shock_g":  20000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ]
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Follow JESD22‑A113D; avoid ultrasonic/megasonic cleaning; polymer top‑coat/light guidance."
                                  ]
                    }
    },
    {
        "product_name":  "SiT8021",
        "product_type":  "1–26 MHz, Ultra‑Small µPower Oscillator (CSP 1.5×0.8 mm)",
        "overview":  {
                         "description":  "Industry’s smallest, lowest‑power MHz MEMS oscillator; ~0.1 mW at 3.072 MHz, tiny 1.5×0.8 mm package; flexible frequencies for wearables, IoT and mobile.",
                         "features":  [
                                          "Ultra‑low current: 60 µA typ @ 3.072 MHz (1.8 V, no load)",
                                          "Ultra‑small 1.5 × 0.8 mm × 0.54 mm package (≈1.28 mg)",
                                          "Any frequency from 1 to 26 MHz (6 decimal places)",
                                          "Operating temperature options: −20 to +70 °C (C), −40 to +85 °C (I)",
                                          "Frequency stability options: ±50 ppm (C only) or ±100 ppm (C/I)",
                                          "Programmable output drive strength; LVCMOS output",
                                          "Standby pin (ST) for ≤1.3 µA standby; resume ~2–3 ms",
                                          "RoHS/REACH compliant; Pb‑free; Halogen/Antimony‑free"
                                      ],
                         "applications":  [
                                              "Tablets",
                                              "Fitness bands",
                                              "Health/medical monitoring",
                                              "Wearables",
                                              "Portable audio",
                                              "Input devices",
                                              "IoT devices"
                                          ]
                     },
        "electrical_characteristics":  {
                                           "frequency_range_MHz":  [
                                                                       1.0,
                                                                       26.0
                                                                   ],
                                           "frequency_stability_ppm":  {
                                                                           "C_-20_to_70C":  [
                                                                                                50,
                                                                                                100
                                                                                            ],
                                                                           "I_-40_to_85C":  100
                                                                       },
                                           "initial_tolerance_25C_ppm":  {
                                                                             "min":  -15,
                                                                             "max":  15
                                                                         },
                                           "aging_1st_year_25C_ppm":  {
                                                                          "min":  -3,
                                                                          "max":  3
                                                                      },
                                           "supply_voltage_V":  {
                                                                    "nominal":  [
                                                                                    1.62,
                                                                                    1.98
                                                                                ],
                                                                    "extended":  [
                                                                                     1.62,
                                                                                     3.63
                                                                                 ]
                                                                },
                                           "current_consumption":  {
                                                                       "uA_typ_3p072MHz_1p8V_no_load":  60,
                                                                       "uA_typ_6p144MHz_1p8V_no_load":  110,
                                                                       "uA_max_6p144MHz_1p8V_no_load":  130,
                                                                       "uA_max_6p144MHz_1p8V_10pF":  270,
                                                                       "uA_max_6p144MHz_2p25_to_3p63V_no_load":  160,
                                                                       "uA_max_12MHz_1p8V_no_load":  160
                                                                   },
                                           "standby":  {
                                                           "standby_current_uA_typ_1p8V":  0.7,
                                                           "standby_current_uA_max_1p8V":  1.3,
                                                           "standby_current_uA_max_1p62_to_3p63V":  1.5,
                                                           "standby_time_us_max":  20,
                                                           "resume_time_ms":  {
                                                                                  "typ":  2,
                                                                                  "max":  3
                                                                              }
                                                       },
                                           "startup_time_ms":  {
                                                                   "typ":  75,
                                                                   "max":  150
                                                               },
                                           "lvcmos_output":  {
                                                                 "duty_cycle_percent":  [
                                                                                            45,
                                                                                            55
                                                                                        ],
                                                                 "rise_fall_time_ns":  {
                                                                                           "typ_1p8V":  4,
                                                                                           "max_1p8V":  8,
                                                                                           "max_1p62_to_3p63V":  8,
                                                                                           "levels":  "20–80%"
                                                                                       },
                                                                 "VOH_min_percent_Vdd":  90,
                                                                 "VOL_max_percent_Vdd":  10,
                                                                 "IOH_mA":  {
                                                                                "1p8V":  0.5,
                                                                                "2p25_to_3p63V":  1.2
                                                                            },
                                                                 "IOL_mA":  {
                                                                                "1p8V":  0.5,
                                                                                "2p25_to_3p63V":  1.2
                                                                            }
                                                             },
                                           "input_characteristics":  {
                                                                         "VIH_min_percent_Vdd":  80,
                                                                         "VIL_max_percent_Vdd":  20,
                                                                         "input_slew_rate_V_per_us_min":  10,
                                                                         "input_pull_down_kOhm_active":  {
                                                                                                             "1p8V":  300,
                                                                                                             "2p25_to_3p63V":  270
                                                                                                         },
                                                                         "input_impedance_MOhm_standby":  {
                                                                                                              "1p8V":  2.5,
                                                                                                              "2p25_to_3p63V":  1.3
                                                                                                          }
                                                                     },
                                           "jitter":  {
                                                          "rms_period_jitter_ps":  {
                                                                                       "typ_6p144MHz_1p8V":  75,
                                                                                       "max_6p144MHz_1p8V":  110,
                                                                                       "max_6p144MHz_2p25_to_3p63V":  110
                                                                                   },
                                                          "rms_phase_jitter_ns":  {
                                                                                      "typ_6p144MHz":  0.8,
                                                                                      "max":  2.5,
                                                                                      "integration_Hz":  [
                                                                                                             100,
                                                                                                             40000
                                                                                                         ]
                                                                                  }
                                                      },
                                           "operating_temperature_ranges_C":  {
                                                                                  "C":  [
                                                                                            -20,
                                                                                            70
                                                                                        ],
                                                                                  "I":  [
                                                                                            -40,
                                                                                            85
                                                                                        ]
                                                                              }
                                       },
        "pins":  [
                     {
                         "number":  1,
                         "name":  "ST",
                         "type":  "Input",
                         "function":  "LOW/FLOAT: active; HIGH: standby, output Hi‑Z with weak pull‑down."
                     },
                     {
                         "number":  2,
                         "name":  "OUT",
                         "type":  "Output",
                         "function":  "LVCMOS clock output."
                     },
                     {
                         "number":  3,
                         "name":  "VDD",
                         "type":  "Power",
                         "function":  "Supply voltage; bypass with 0.01 µF X7R capacitor."
                     },
                     {
                         "number":  4,
                         "name":  "GND",
                         "type":  "Power",
                         "function":  "Ground."
                     }
                 ],
        "absolute_maximum":  {
                                 "Vdd_range_V":  [
                                                     -0.5,
                                                     3.63
                                                 ],
                                 "Vdd_short_duration_V":  4.0,
                                 "continuous_max_operating_temp_C":  105,
                                 "short_duration_max_operating_temp_C":  125,
                                 "ESD_HBM_V":  2000,
                                 "ESD_CDM_V":  750,
                                 "ESD_MM_V":  200,
                                 "mechanical_shock_g":  10000,
                                 "mechanical_vibration_g":  70,
                                 "junction_temp_C_max":  150,
                                 "storage_temp_C":  [
                                                        -65,
                                                        150
                                                    ],
                                 "soldering_temp_C":  260
                             },
        "package":  {
                        "options":  [
                                        "1.5 × 0.8 mm CSP"
                                    ],
                        "notes":  [
                                      "Use 0.01 µF bypass on VDD; follow SiTime layout and low‑EMI guidelines",
                                      "No ultrasonic/megasonic cleaning; JESD22‑A113D reflow",
                                      "Standby (ST=HIGH) pulls OUT low via ~1 MΩ; supports glitch‑free startup/resume"
                                  ]
                    },
        "ordering_information":  {
                                     "example":  "SiT8021A C-J4-18 S - 6.144000Q",
                                     "fields":  {
                                                    "family":  "SiT8021",
                                                    "revision":  "A",
                                                    "temp_range":  {
                                                                       "C":  "−20 to +70 °C",
                                                                       "I":  "−40 to +85 °C"
                                                                   },
                                                    "package":  {
                                                                    "J":  "1.5 × 0.8 mm CSP"
                                                                },
                                                    "stability":  {
                                                                      "4":  "±100 ppm",
                                                                      "3":  "±50 ppm (C only)"
                                                                  },
                                                    "supply":  {
                                                                   "18":  "1.8 V ±10%",
                                                                   "XX":  "1.62–3.63 V"
                                                               },
                                                    "feature_pin":  {
                                                                        "S":  "Standby pin present"
                                                                    },
                                                    "frequency_MHz":  "e.g., 6.144000",
                                                    "packaging":  {
                                                                      "E":  "1 ku",
                                                                      "D":  "3 ku",
                                                                      "Q":  "5 ku",
                                                                      "S":  "10 ku"
                                                                  },
                                                    "material":  {
                                                                     "-":  "existing/PFAS‑free at SiTime discretion",
                                                                     "P":  "PFAS‑free only"
                                                                 }
                                                },
                                     "standard_frequencies_MHz":  [
                                                                      2.048,
                                                                      4.0,
                                                                      6.144,
                                                                      8.0,
                                                                      12.0,
                                                                      12.288,
                                                                      16.0,
                                                                      19.2,
                                                                      24.0,
                                                                      26.0
                                                                  ]
                                 }
    }
]
