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The SiT2021B oscillator comes in a SOT23 package for the best board-level solder joint reliability and low-cost, optical-ONLY board-level inspection. This device features a wide frequency range, excellent stability, and the shortest lead time for industrial, medical, automotive, avionics, and other high-temperature applications. This device also features the industry's best 0.1 ppb/g vibration sensitivity, 50,000 g shock and 70 g vibration resistance.

For the same device in SMD packages, refer to the SiT8921B oscillator.

FlexEdgeTM Rise/Fall Time
Yes
Frequency
119 to 137 MHz
Frequency Stability (ppm)
±20, ±25, ±50
Operating Temperature Range (°C)
-55 to +125
Oscillator Type
XO-SE
Output type
LVCMOS
Package Type
SOT23(2.9x2.8)
Phase Jitter
1.3 ps
Features
Field programmable, Military temperature -55 to 125°C, SOT23-5
Voltage Supply (V)
1.8, 2.5 to 3.3
Availability
Production
Applications
  • Oil exploration drilling
  • Power amplifiers
  • Industrial motors
  • Pressure meters
  • Aerospace equipment
  • Radar
  • Avionic control

2021b

Features & Benefits

Unique combination of

  • 119 to 137 MHz
  • ±20 ppm
  • -55 °C to 125 °C operating temperature:
    • Best-in-class stability over extreme temperature range for outdoor applications

0.1 ppb/g low g-sensitivity

  • No degradation of performance in harsh operating environments

70 g vibration and 50,000 g shock

  • Indestructible

FlexEdge™ rise/fall time

  • Optimize EMI to reduce interference to other subsystems

SOT23-5 package

  • Best board-level solder joint reliability
  • Easy, low-cost, optical-only, board-level inspection of solder joints

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 2.0.2.1V SiT2021 (LVCMOS, 2.25 to 3.63 V)
LVCMOS IBIS 2.5V SiT2021 (LVCMOS, 2.5 V)
LVCMOS IBIS 2.8V SiT2021 (LVCMOS, 2.8 V)
LVCMOS IBIS 3.0V SiT2021 (LVCMOS, 3.0 V)
LVPECL IBIS 3.3V SiT2021 (LVCMOS, 3.3 V)

Quality Documents

Additional Resources