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932S890CKLF +BOM

The 932S890C is a main clock synthesizer chip for SR5690/SR5670 AMD Servers. An SMBus interface allows full control of the device.

932S890CKLF General Description

The 932S890C is a main clock synthesizer chip for SR5690/SR5670 AMD Servers. An SMBus interface allows full control of the device.

Key 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
  • SRC output cycle-to-cycle jitter
  • 48MHz output cycle-to-cycle jitter
  • SIO output cycle-to-cycle jitter
  • SRC output phase jitter
  • +/- 50ppm frequency accuracy on all clocks, assuming REF is trimmed to 0 ppm)

Specifications

Series - Programmabe Not Verified
PLL Yes Main Purpose AMD CPU
Input Crystal Output Clock
Number of Circuits 1 Ratio - Input:Output 1:27
Differential - Input:Output No/Yes Frequency - Max 212.24MHz
Voltage - Supply 3.135V ~ 3.465V Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount Base Product Number 932S890

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In Stock: 7,938

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Qty. Unit Price Ext. Price
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