SiTime, Silicon MEMS Oscillators and Clock Generators

SiT9001: Programmable Spread Spectrum Oscillator

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The SiT9001 is the industry's smallest programmable spread spectrum oscillator and offers the lowest cycle to cycle jitter in a spread spectrum timing device.




Frequency Range (MHz) 1 - 200
Spread % ±0.25, ±0.5, ±1.0, -0.5, -1.0, -2.0
Temp Range (°C) -20 to +70, -40 to +85
Supply Voltage (V) 1.8, 2.5, 3.3
Package LxWxH (mm) 2.5x2.0x0.75, 3.2x2.5x0.75, 5.0x3.2x0.75, 7.0x5.0x0.9
Status Full Production
  • CPU and microcontroller clocking
  • Memory (SDRAM, DDR, etc.) clocking
  • PCI Bus in any application
  • PCI Express bus in any application
  • USB3.0 bus in any application
  • Printer and Multi Function Peripheral (MFP)
  • Flat Panel display for TV or computer monitor
  • Notebook computer
  • Hard Disk Drive (HDD)

Features Benefits
  • Frequency range up to 200 MHz
  • Enables usage in a wide variety of applications
  • Industry's smallest spread spectrum device (2.5 x 2.0mm)
  • Perfect for space constrained applications
  • World's best cycle to cycle jitter, as low as 30 ps
  • Offer EMI reduction through spread spectrum without compromising system timing margin
  • Up to -17 dB reduction on the third harmonic and -12 dB reduction on fundamental peak power (100 MHz spread spectrum frequency)
  • Eliminates expensive alternatives for reducing EMI such as, filters, shielding, redesigning PCB and offers the best time to market
  • Operating voltage of 1.8V, 2.5V or 3.3V
  • Provides design flexibility of using the same chip for different designs
  • Ultra fast lead time (3-5 weeks)
  • Reduce inventory overhead
  • Mitigate shortage risks


Not recommended for new designs. Please use “8”.
Please refer to 'Part Number Generator' to check for details on supported frequencies.


Supply Voltage Buffer Type Resource Type File
1.8V, 2.5V & 3.3V LVCMOS IBIS iconSiT9001_ibs