Automotive Clock Generators

Our Si5332-AM clock generators combine a wide-band PLL with proprietary MultiSynth fractional synthesizer technology to offer an any-frequency, any-output versatile and high-performance clock generator platform. The highly flexible device architecture is capable of synthesizing a wide range of integer and non-integer related frequencies, up to 333.33 MHz on up to 8 differential clock outputs, while delivering sub-200 fs rms phase jitter performance with 0 ppm error.

The device includes two independent spread spectrum modulation domains, an I2C interface for in-system programming and user-defined hardware input pins that can be assigned during configuration development as output enable, frequency control, input selection or spread spectrum enablement. Each of the clock outputs can be assigned its own format, enabling the Si5332 to replace multiple oscillators, buffers and/or clock generators with a single device making it a true "clock tree on a chip."

RMS phase jitter
< 190 fs
Temperature range
-40 to +105 °C

Automotive Clock Generator Common Specs

  • Automotive Grade2, -40 to + 105 °C
  • AEC-Q100 qualified
  • Multi-output ordering options:
    • 6-outputs in QFN32
    • 8-outputs in QFN40
  • Low current consumption
  • MultiSynth technology delivers any frequency on any output
  • I2C programmable
  • Any format, any output: HCSL, LVDS, LVDMOS, LVPECL
  • SmartClock™ health monitoring and fault detection
  • ClockBuilder Pro simplifies configuration
  • User-defined hardware input pins
  • Low phase jitter: < 190 fs
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Part Number Customize Reference Inputs Number of Outputs Input Frequency Output Frequency Phase Jitter (RMS) PCIe Compliant

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