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The SiT8919B extends frequency support up to 137 MHz while maintaining excellent stability (±20 ppm) at high temperatures (up to 125 °C) in the smallest 2.0 x 1.6 mmxmm package, a combination that is not readily available from quartz. This device also features the industry's best vibration sensitivity, and shock and vibration resistance.

The SiT8919 comes in industry-standard packages and footprints, and therefore replaces quartz without any design changes.

For the same device in a SOT23-5 package, refer to the SiT2019B.

FlexEdgeTM Rise/Fall Time
Yes
Frequency
115 to 137 MHz
Frequency Stability (ppm)
±20, ±25, ±50
Operating Temperature Range (°C)
-40 to +105, -40 to +125
Oscillator Type
XO-SE
Output type
LVCMOS
Package Type (mm²)
2.0x1.6, 2.5x2.0, 3.2x2.5, 5.0x3.2, 7.0x5.0
Phase Jitter (RMS)
1.3 ps
Features
Field programmable, High temperature 125°C
Voltage Supply (V)
1.8, 2.5 to 3.3
Availability
Production
Applications
  • Industrial sensors
  • Servo motors
  • Industrial control systems
  • High-temp. networking gears
  • Medical video CAM
  • Asset Tracking
  • Precision GNSS
  • GPS/GNSS Modules

2025b

Features & Benefits

Unique combination of

  • High frequency (115 to 137 MHz)
  • ±20 ppm
  • automotive temp. (-40 to 125 °C)
  • Smallest package (2.0 x 1.6 mmxmm)
    • Better timing margin ideal for space-constrained, outdoor and high-temp. operating environment

0.1 ppb/g low g-sensitivity

  • Improved system performance under vibration
  • Simpler carrier drop-test compliance

70 g vibration and 50,000 g shock

  • Best system reliability in harsh environments

FlexEdge™ drive strength

  • Slower rise/fall time that minimizes EMI from the oscillator
  • Lower cost by driving multiple loads and eliminate additional timing components

5 industry-standard packages

  • 100% drop-in replacement of quartz XO

Ultra-fast lead time (4 to 6 weeks)

  • Reduce inventory overhead
  • Mitigate shortage risks

 

Performance Reports

The following PDF reports contain details of actual measurements on SiTime devices at the frequencies mentioned below and are intended to supplement the datasheet. Measurement conditions and equipment are specified in the individual files. If you desire a more detailed report than the ones provided below, please contact your local SiTime sales representative or email salessupport@sitime.com.

IBIS Models

LVCMOS IBIS 1.8V SiT8919 (LVCMOS, 1.8 V)
LVCMOS IBIS 8.9.1.9V SiT8919 (LVCMOS, 2.25 to 3.63 V)
LVCMOS IBIS 2.5V SiT8919 (LVCMOS, 2.5 V)
LVCMOS IBIS 2.8V SiT8919 (LVCMOS, 2.8 V)
LVCMOS IBIS 3.0V SiT8919 (LVCMOS, 3.0 V)
LVCMOS IBIS 3.3V SiT8919 (LVCMOS, 3.3 V)

Quality Documents

Additional Resources