SiTime, Silicon MEMS Oscillators and Clock Generators

SiT8103: High Performance MEMS Clock Oscillator

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Sit8103 Clock Oscillator

This device is not recommended for new designs. For new designs, please use: SiT1602 or SiT8008. This device will continue to be available in production volumes.

Key Features of the SiT8103 Clock Oscillator

  • Any frequency from 1 to 110 MHz with 5 decimal places of accuracy
  • Available in 2520, 3225, 5032 and 7050 packages for 100% pin-for-pin replacement of quartz crystal oscillators with no design or layout changes
  • Operates at 1.8V, 2.5V, 2.8V and 3.3V
  • Industry leading frequency stability of 20, 25, 30 and 50 PPM
  • Industrial and commercial operating temperature range
  • MEMS technology, offers 10 times better robustness and reliability than quartz crystal oscillators
  • Suitable for a variety of networking, computing, consumer, industrial and embedded applications



Frequency Range (MHz) 1 – 110
Frequency Stability (PPM) ±20, ±25, ±30, ±50
Temp Range (°C) -20 to +70, -40 to +85
Supply Voltage (V) 1.8, 2.5, 2.8, 3.3
Package LxWxH (mm) 2.5x2.0x0.75, 3.2x2.5x0.75, 5.0x3.2x0.75, 7.0x5.0x0.9
Status Full Production
  • Ethernet
  • Firewire
  • USB
  • Audio
  • Video
  • Fibre Channel
  • Camera modules
  • Networking switches and gateways
  • CCTV and surveillance equipment
  • Solid state drives
  • Industrial probes and equipment

Features Benefits
  • Excellent frequency stability as low as ±20PPM
  • Provide excellent design margins
  • Extensive programmability
    • Frequency between 1 to 110MHz with 5 decimal place accuracy
    • Supply voltage of 1.8V, 2.5V, 2.8V and 3.3V
    • Frequency stability from ±20PPM to ±50PPM
    • 30pF or higher output load drive options
  • Customize specification for optimal system performance
  • Re-use of the same base product for many designs
  • Four industry standard packages
  • 100% drop in replacement of quartz oscillators
  • Ultra fast lead time (3-5 weeks)
  • Reduce inventory overhead
  • Mitigate shortage risks


5. Contact SiTime for different drive strength options for driving higher loads or reducing EMI.
6. Without Center Pad.


Supply Voltage Buffer Type Resource Type File
1.8V LVCMOS IBIS iconSiT8103_1p8v
2.5V LVCMOS IBIS iconSiT8103_2p5v
2.8V LVCMOS IBIS iconSiT8103_2p8v
3.3V LVCMOS IBIS iconSiT8103_3p3v