SiTime, Silicon MEMS Oscillators and Clock Generators

SiT9002: Differential Output Programmable Spread Spectrum Oscillator

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The SiT9002 is the industry's first programmable, differential output, spread spectrum oscillator. It supports four programmable differential output signaling levels: LVPECL, LVDS, CML, and HCSL.




Frequency Range (MHz) 1 - 220
Spread % ±0.25, ±0.5, ±1.0, ±2.0, -0.5, -1.0, -2.0, -4.0
Temp Range (°C) -20 to +70, -40 to +85
Supply Voltage (V) 1.8, 2.5, 3.3
Package LxWxH (mm) 5.0x3.2x0.75, 7.0x5.0x0.9
Status Full Production
  • CPU clocking
  • Industrial applications
  • Notebook computer
  • Networking applications
  • PCI Express bus in any application
  • SATA
  • USB3.0

Features Benefits
  • Industry's best cycle to cycle jitter, as low as 15ps
  • Enable system designers to minimize impact to timing budget
  • System-dependent EMI reduction, up to -17 dB on the third harmonic and -12 dB reduction on fundamental peak power (100MHz spread spectrum frequency)
  • Cost-effective EMI reduction with fastest time to market
  • Flexible spread spectrum options
    • Multiple center spread/down spread modulation modes
    • Spread disable mode available
  • Optimize EMI performance in system design
  • Programmable voltage support of 1.8V, 2.5V or 3.3V
  • Provide designers flexibility of using the same chip for different designs
  • Small form factor
  • Save the board space in space-constrained applications
  • Ultra fast lead time (3-5 weeks)
  • Reduce inventory overhead
  • Mitigate shortage risks


1. Without Center Pad.

Supply Voltage Buffer Type Resource Type File
2.5V LVDS IBIS iconSiT9002-LVDS_2v5
LVPECL0 IBIS iconSiT9002-LVPECL0_2v5
LVPECL1 IBIS iconSiT9002-LVPECL1_2v5
3.3V LVDS IBIS iconSiT9002_LVDS_3V3