SiTime, Silicon MEMS Oscillators and Clock Generators

SiT9003: Low Power Programmable Spread Spectrum Oscillator

E-mail Print

The SiT9003 is the industry's lowest power programmable spread spectrum oscillator with a LVCMOS/LVTTL compatible output. It is a single chip solution that replaces a spread spectrum IC and an external crystal.




Frequency Range (MHz) 1 – 110
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
  • Low power MCU
  • PCI or PCI Express
  • USB3.0
  • Non-baseband clocking in mobile phones (camera modules, multimedia chipsets, etc.)
  • Portable gaming devices
  • Other handheld applications (eePC, portable test equipment, etc.)

Features Benefits
  • Flexible spread options supporting up to 12 dB EMI reduction
    • Center spread percentage: ±0.25% and ±0.5%
    • Down spread percentage: -0.5% and -1.0%
  • Up to 12dB EMI reduction
  • World best cycle to cycle jitter of < 30 ps
  • Minimize impact to system timing budget
  • Lowest power consumption of any programmable oscillator
    • 3.5mA typical power consumption
    • 1.2 uA typical standby current
  • Extends battery life
  • Reserves more power budget for system designers
  • 3ms typical resume time
  • Enable system to go in and out of standby mode quickly, conserving battery power
  • Extensive programmability
    • Any frequency between 1 to 110 MHz with 5 decimal place accuracy
    • Supply voltage of 1.8V, 2.5V, 2.8V and 3.3V
    • Frequency stability from ±50PPM to ±100PPM
    • Adjustable rise and fall time
  • Provide designers the opportunity to use the same base product for many designs
  • Customize specification for optimal system performance
  • Configurable slew rate, enabling additional EMI control
  • Re-use of the same base product for many designs
  • Four Industry standard package
  • 100% drop-in replacement of crystal oscillators
  • Enables EMI reduction without board re-design, metal housing or other expensive EMI reduction methods
  • Ultra fast lead time (3-5 weeks)
  • Reduce inventory overhead
  • Mitigate shortage risks


1. Without Center Pad.

Supply Voltage Buffer Type Resource Type File
1.8V LVCMOS IBIS iconSiT9003_1p8v
2.5V LVCMOS IBIS iconSiT9003_2p5v
2.8V LVCMOS IBIS iconSiT9003_2p8v
3.3V LVCMOS IBIS iconSiT9003_3p3v