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Features

  • Low power differential outputs with integrated series resistors for Zo=50ohm systems
  • 4 -Differential 200MHz CPU pairs
  • 2 - Differential 100MHz HT3 pairs
  • 14 - Differential PCIe Gen2 SRC pairs
  • 1 - Differential non-spread SATA clock
  • 2 - 48MHz USB clocks (180 degrees out of phase for EMI reduction)
  • 2 - SIO clocks (selectable 48MHz or 24MHz). 180 degrees out of phase for EMI reduction
  • 2 - 14.318MHz REF clock outputs
  • Spread Spectrum
  • EMI reduction
  • Outputs may be disabled via SMBus
  • saves power
  • External crystal load capacitors
  • maximum frequency accuracy
  • CPU output cycle-to-cycle jitter 100ps
  • SRC output cycle-to-cycle jitter 125ps
  • 48MHz output cycle-to-cycle jitter 130ps
  • SIO output cycle-to-cycle jitter 150ps
  • SRC output phase jitter 3.1ps rms (PCIe Gen2)
  • +/- 50ppm frequency accuracy on all clocks, assuming REF is trimmed to 0 ppm)

Description

The 932S890C is a main clock synthesizer chip for SR5690/SR5670 AMD Servers. An SMBus interface allows full control of the device.
Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier Type
932S890CKLFObsoleteN/AIn StockVFQFPN72#CYesTray
932S890CKLFTObsoleteN/AOut of StockVFQFPN72#CYesReel
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