SiTime, Silicon MEMS Oscillators and Clock Generators

SiT5000: Standard Frequency High Performance MEMS VCTCXO (±1.5PPM to ±5PPM)

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The SiT5000 is a highly flexible high performance Voltage Controlled, Temperature Compensated MEMS Oscillator ( MEMS VCTCXO) with LVCMOS/LVTTL/HCMOS compatible output. This device supports a list of 26 standard frequencies along any combination of voltage (1.8V, 2.5V-3.3V), stability (±1.5PPM to ±5PPM) and 4-pin packages (2520, 3225, 5032, 7050). It provides superior shock and vibration resistance, and 2 FIT reliability that is 10 times better than crystal VCTCXO and TCXO oscillators and is ideal for high reliability applications in telecom, networking, wireless and embedded. SiTime's MEMS devices are 100% compatible with legacy quartz crystal VCTCXO and TCXO oscillators in footprint and package, and replace these devices without any design changes.

 

Nominal Frequencies
  • 10
  • 12
  • 12.288
  • 12.8
  • 13
  • 14.4
  • 14.7456
  • 16
  • 16.357
  • 16.3676
  • 16.367667
  • 16.368
  • 16.369
  • 16.8
  • 19.2
  • 19.44
  • 19.68
  • 20
  • 20.8
  • 24
  • 25
  • 26
  • 27.456
  • 33.6
  • 38.4
  • 40
Frequency Stability (PPM) ±1.5, ±2.0, ±2.5, ±5
RMS Integrated Phase Jitter (12 kHz to 20 MHz) < 1ps (max), 0.5ps (typical)
Pull Range (PPM) ±12.5 or turned off
Control Voltage (V) 0 to VDD
Temp Range (°C) -40 to +85 (industrial), -20 to +70 (extended commercial)
Supply Voltage (V) 1.8, 2.5 - 3.3 (continuous)
SoftEdge™ 1ns - 6ns
Package LxWxH (mm) 2.5x2.0x0.75, 3.2x2.5x0.75, 5.0x3.2x0.75, 7.0x5.0x0.9
Status Production
Applications
  • Telecom equipment
  • Wireless
  • GPS
  • Networking and communication systems
  • Instrumentation

Features Benefits
  • Extensive programmability
    • 26 standard frequencies
    • Supply voltage of 1.8V, 2.5V to 3.3V
    • Stability from ±0.5 PPM to ±5 PPM
    • Voltage control option
    • Configurable drive strength
  • Customized specification for optimal system performance
  • Easy availability of any device specification within the operating range
  • Superior Robustness and Reliability, 10 times better than crystal VCTCXO and TCXO
    • 500 million hour MTBF
    • 50,000 g shock resistance
    • 70 G vibration resistance
  • Improve system robustenss in all operating environments
  • Reduce field failures due to clock components and the repair cost
  • <1ps integrated RMS phase jitter (12 kHz to 20 MHz), 0.5ps typical
  • Meets SONET specifications
  • Excellent for telecom and wireless applications
  • Configurable drive strength using SoftEdge™ technology
  • Slower rise/fall time that reduce system EMI
  • Saves cost by driving multiple loads and eliminates external buffers
  • Three industry standard packages
  • 100% drop in replacement of quartz VCXO without any design changes
  • Ultra fast lead time (2-4 weeks)
    • 26 standard frequencies
    • Any voltage
    • Any stability
    • Any packaage
    • Any drive strength
  • Reduce inventory overhead
  • Mitigate shortage risks

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Notes: 1. Contact SiTime for different drive strength options for driving higher loads or reducing EMI.

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