Specs Value
Device Type LVPECL / LVDS / HCSL Ruggedized Oscillators
156.25 MHz
Frequency Stability (ppm)
Operating Temp. Range (°C)
-40 to 85
Output Type
Supply Voltage (V)
Package Size (mm x mm)
Output Drive Strength*
Feature Pin
Special Features
Low Sensitivity, 0.1 ppb/g

*See datasheet for details

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This product ships directly from our factory, please allow 4-6 weeks for delivery.
Unit Pricing
Unit Count Unit Cost
1 - 9 $53.46
10 - 49 $37.42
>49 Contact Us
Available for sale in cut tape packaging. Some orders with quantities less than 50 pieces may be shipped in ESD zip bags. To order quantities greater than 50, please contact SiTime Sales or use the Chat below.
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Rugged performance under airflow, fast temp. ramp

  • 0.23 ps jitter (typ.)
  • ±10 ppm: Ensures best system performance in hostile environments

Low acceleration sensitivity

  • 0.1 ppb/g

20x better vibration sensitivity

  • Minimizes packet loss in high-vibration environments

0.05 ps/mV power supply noise rejection (PSNR)

  • Simplify power supply design

3.2 x 2.5 mm package

  • Enables small form-factor system with stringent jitter requirement

Flexible programmable features

  • 1 to 220 MHz
  • 2.25 to 3.63 V
  • LVPECL, LVDS, HCSL: Customized oscillator specifications for optimal system performance

Superior reliability

  • 1 billion hours MTBF
  • Lifetime warranty: Reduces field failures due to clock components and associated repair costs
  • Airborne communications
  • Command & control
  • Land mobile radio
  • Field communications
  • UAV communications
  • Vehicle comms/telemetry
  • Airframe control
  • Flight computer platform
  • Satellite base station
  • Satcom
  • Ruggedized applications

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Resource Name Type
AN10006 Best Design and Layout Practices Application Notes
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SiT9346 Datasheet Datasheets
Building Robust Aerospace and Defense Products with Ruggedized Endura MEMS Oscillators White Papers
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Unmanned Aerial Vehicles Application Briefs
SiTime MEMS First 工艺 Technology Papers
SiTime MEMS First 工艺 Application Notes
AN10073 How to Setup a Real-time Oscilloscope to Measure Jitter Application Notes
AN10071 Computing TIE Crest Factors for Telecom Applications Application Notes
AN10070 Computing TIE Crest Factors for Non-telecom Applications Application Notes
AN10072 Determine the Dominant Source of Phase Noise, by Inspection Application Notes
AN10074 Removing Oscilloscope Noise from RMS Jitter Measurements Application Notes
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VTOL and Commercial UAV Application Brief Application Briefs
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AN23033 Thermal Considerations for SiTime Products Application Notes
  • SIT9346AI-2E2A25E156.250000Y
  • SIT9346AI-2E2A25E156.250000T
  • SIT9346AI-2E2A25E156.250000D
  • SIT9346AI-2E2A25E156.250000E
  • SIT9346AI-2E2A25E156.250000X
  • SIT9346AI-2E2A25E156.250000N
  • SIT9346AI-2E2A25E156.250000F
  • SIT9346AI-2E2A25E156.250000G
  • SIT9346AI-2E2A25E156.250000S