Ultra-Small, Low-Power, Low-Jitter, 1 Hz to 2.5 MHz Oscillator


SiTime's TempFlat MEMS™ technology, coupled with our mixed-signal capability, enables ±50 ppm all-inclusive frequency stability in an ultra-small 1.2mm² chip-scale package. These devices use MEMS resonators that are manufactured using the latest generation of EpiSeal™ technology which hermetically seals the resonator, making it impervious to all small-molecule gases. Additionally, the SiT1581 has a high shock and vibration survivability. Typical supply current is only 6.0 μA at 100 kHz and only 13 μA at 1MHz. And unlike standard oscillators, the SiT1579 is factory programmable between 1 Hz and 2.5 MHz, enabling new architectural options with its wide frequency range.

World's smallest oscillator in tiny 1508 chip-scale package, low-jitter, consumes only 1.2 mm2 board space
"Specs" "Value"
Oscillator Type Hz to MHz XO
Frequency 1 Hz to 2.5 MHz
Frequency Stability (ppm) ±50
Output Type LVCMOS
Operating Temperature Range (°C) -20 to +70, -40 to +85
Voltage Supply (V) 1.62 to 3.63
Package Type (mm²) 1.5x0.8
Features Low jitter, Robustness against shock, vibration, and small molecule gases
Availability Production

Factory-programmable frequency range from 1 Hz to 2.0 MHz

  • Creates new architectural alternatives for ultra-low power frequencies

Ultra-low power: 6.0 µA (typ.) at 100 kHz, 13 µA at 1 MHz

  • Maximizes battery life

Smallest footprint in chip-scale (CSP): 1.5 x 0.8 mm

  • Saves board space

±50 ppm frequency stability all-inclusive over temperature

  • Improved local timekeeping and improved system power with less dependency on network timekeeping updates

Robust against shock, vibration, and small molecule gasses

  • Industrial Sensors
  • Industrial Data Loggers
  • Portable Data Loggers
  • Industrial Logistics Trackers
  • Industrial Automation
  • Oil & Gas Exploration

Reliability Calculator – Get FIT/MTBF data for various operating conditions

Time Machine II Programmer – Program frequency, voltage, stability & more

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