Ultra-Small Low Power, Low-Jitter, ±3 to ±5 ppm, 32.768 kHz TCXO

SiTime's TempFlat MEMS(TM) technology enables the first 32 kHz ±3 ppm Super-TCXO in a 1.2mm2 chip-scale package, the world's smallest oscillator footprint. Typical core supply current is only 4.5 μA. The SiT1566 is factory calibrated over multiple temperature points to guarantee extremely tight ±3 ppm all-inclusive frequency stability.

World's smallest TCXO in tiny 1508 chip-scale package, low-jitter, consumes only 1.2 mm2 board space
Frequency 32.768 kHz
Frequency Stability (ppm) ±3, ±5
Operating Temperature Range (°C) -20 to +70, -40 to +85
Oscillator Type 32kHz TCXO
Output type LVCMOS
Package Type (mm²) 1.5x0.8
Features ±3 ppm frequnecy stability
Voltage Supply (V) 1.62 to 3.63
Availability Released

Smallest footprint in chip-scale (CSP) 

  • 1.5 x 0.8 mm:Saves board space

Ultra-low power: 4.5 µA (typ)

  • Maximizes battery life

Low jitter 2.5 nsRMS Integrated Phase Jitter (IPJ)

  • Suitable for audio applications

Internal VDD supply filtering

  • Eliminates external VDD bypass capacitor to maintain ultra-small footprint;

Drives multiple loads

  • Eliminates multiple discrete XTALs + load caps
  • Smartwatch
  • Health and wellness monitors
  • Smart meters (AMR)
  • Data loggers
  • Power & energy
  • Retail electronics
  • Long-range communications
  • Machine to machine (M2M)
  • Smartphone
  • Fitness tracker
  • Data connectivity
  • Tablets

Narrow By:

Document Name Type
WLCSP Package Composition Reports (SiT156X, SiT1576) Composition Reports
Manufacturing Notes for SiTime Oscillators Other Quality Documents
SiTime Conflict Metal Declaration Other Quality Documents
SiTime Environmental Policy Other Quality Documents
SiTime Warranty on Date Code (16.72 kB) Other Quality Documents
ISO9001:2015 Certificate of Registration Other Quality Documents
Conflict Minerals Reporting Template Other Quality Documents
SiTime Oscillator Reliability Report (0.18 micron CMOS process products) Reliability Reports
SiT156X, SiT1576 Product Qualification Report Reliability Reports
TSMC Wafer SGS Report RoHS/Reach/Green Certificates
Tower Jazz Wafer SGS Report RoHS/Reach/Green Certificates
BOSCH Wafer SGS Report RoHS/Reach/Green Certificates
WLCSP Package Homogeneous Materials and SGS Report RoHS/Reach/Green Certificates
SiTime Environmental Compliance Declaration RoHS/Reach/Green Certificates
Certificate of Compliance-EU RoHS Declaration RoHS/Reach/Green Certificates

Narrow By:

Resource Name Type
Silicon MEMS Reliability and Resilience Presentations
Performance Comparison: Silicon MEMS Verses Quartz Oscillators Presentations
How to Measure Clock Jitter in Precision Timing Applications Presentations
How to Measure Phase Jitter and Phase Noise in Precision Timing Applications Presentations
Silicon MEMS vs Quartz Supply Chain Presentations
Clock Features for Power Conscious and Greener Applications White Papers
Extending Battery Life of Wireless Medical Devices White Papers
Silicon MEMS Oscillators Provide Benefits for LED Lighting White Papers
MEMS Timing Solutions Improve Touchscreen Devices White Papers
MEMS oscillators improve reliability and system performance in motor control applications White Papers
MEMS-Based Resonators and Oscillators are Now Replacing Quartz Presentations
Getting In Touch with MEMS: The Electromechanical Interface Presentations
Smart Clocking Techniques Extend Battery Life of Wearables Presentations
SiT156x/7x Super-TCXOs Transforming the Timing Industry Presentations
SiT1566 Datasheet Datasheets
J-AN10006 発振器のPCBデザインのガイドライン Application Notes
AN10006 Best Design and Layout Practices Application Notes
AN10007 Clock Jitter Definitions and Measurement Methods Application Notes
J-AN10007 クロックジッタの定義と測定方法 Application Notes
SiTime発振器の信頼性計算方法 Technology Papers
AN10025 Reliability Calculations for SiTime Oscillators Application Notes
J-AN10028 プローブを使用した発振器の出力波形計測方法 Application Notes
AN10028 Probing Oscillator Output Application Notes
MEMSおよび水晶ベース発振器の電磁場感受率の比較 Technology Papers
Electromagnetic Susceptibility Comparison of MEMS and Quartz-based Oscillators Technology Papers
MEMS発振器と水晶発振器の性能比較(耐衝撃と耐振動) Technology Papers
Shock and Vibration Comparison of MEMS and Quartz-based Oscillators Technology Papers
J-AN10033 発振器の周波数測定ガイドライン Application Notes
AN10033 Frequency Measurement Guidelines for Oscillators Application Notes
シリコンMEMS発振器の耐性および信頼性 Technology Papers
Resilience and Reliability of Silicon MEMS Oscillators Technology Papers
SiTimeの MEMS First™ プロセス技術 Technology Papers
SiTime's MEMS First™ and EpiSeal™ Processes Technology Papers
2017 Product Selector Brochure (T. Chinese) Product Selector Brochures
2017 Product Selector Flier (S. Chinese) Product Selector Brochures
2017 Product Selector Flier (T. Chinese) Product Selector Brochures
Silicon Replaces Quartz (Chinese Subtitles) Videos
SiTime MEMS Oscillators - Revolutionizing the Timing Market Videos
SiTime MEMS Oscillators and Clock Generators at Electronics Summit Videos
Silicon Replaces Quartz (Japanese Subtitles) Videos
Training Module: Replacing Crystals with Oscillators Videos
Advantages of MEMS Timing - Parameters Videos
MEMS Resonator Advantages - How MEMS Resonators Work Part 2 Presentations
How to Measure Long-term Jitter and Cycle-to-cycle Jitter in Precision Timing Applications Presentations
Silicon MEMS Oscillator Frequency Characteristics and Measurement Techniques Presentations
AN10052 IEEE 1588 Precision Time Protocol (PTP) in ITU-T Standards Application Notes
2018 Product Selector Brochure Product Selector Brochures
2018 Product Selector Brochure (S. Chinese) Product Selector Brochures
2018 Product Selector Brochure (A4 format) Product Selector Brochures
2018 Product Selector Flier Product Selector Brochures
2018 Product Selector Flier (A4 format) Product Selector Brochures
SC-AN10007 时钟抖动定义与测量方法 Application Notes
SC-AN10033 振荡器频率测量指南 Application Notes
SiTime MEMS First 工艺 Application Notes
SiTime MEMS First 工艺 Technology Papers
SiTime MEMS First 工艺 Application Notes
SiTime MEMS First 工艺 Technology Papers
SiTime MEMS First 工艺 Application Notes
SiTime MEMS First 工艺 Technology Papers
SiTime MEMS First 工艺 Application Notes
SiTime MEMS First 工艺 Technology Papers
AN10062 Phase Noise Measurement Guide for Oscillators Application Notes
Phase Noise Measurement Tutorial Videos
Phase Noise Measurement Tutorial (Download MP4 Video) Videos
PCI Express Refclk Jitter Compliance using a Phase Noise Analyzer Presentations
Advantages of MEMS Timing - Parameters (Download MP4 Video) Videos
Silicon Replaces Quartz (Chinese Subtitles) (Download MP4 Video) Videos
Silicon Replaces Quartz (Japanese Subtitles) (Download MP4 Video) Videos
SiTime MEMS Oscillators - Revolutionizing the Timing Market (Download MP4 Video) Videos
SiTime MEMS Oscillators and Clock Generators at Electronics Summit (Download MP4 Video) Videos
Training Module: Replacing Crystals with Oscillators (Download MP4 Video) Videos
How SiTime Saves Space for IOT, Wearable, and Mobile Applications Videos
How SiTime Saves Space for IOT, Wearable, and Mobile Applications (Download MP4 Video) Videos
CSP 1508 4-Pins 3D Step Models