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951412A - Pinout


System Clock Chip For ATI RS480 K8-Based Systems

The 951412A is a main clock synthesizer chip that provides all clocks required for ATI RS480-based systems. An SMBus interface allows full control of the device.


  • 3 - 14.318 MHz REF clocks
  • 1 - USB_48MHz USB clock
  • 1 - HyperTransport 66 MHz clock seed
  • 1 - PCI 33 MHz clock seed
  • 2 - Pairs of AMD K8 clocks
  • 6 - Pairs of SRC/PCI Express* clocks
  • 2 - Pairs of ATIG (SRC/PCI Express) clocks
  • 2 - Programmable Clock Request pins for SRC clocks
  • Spread Spectrum for EMI reduction
  • Outputs may be disabled via SMBus
  • External crystal load capacitors for maximum frequency accuracy

Product Specification

Outputs (#)Output TypeOutput Freq Range (MHz)Input Freq (MHz)Output Banks (#)Core Voltage (V)Output Voltage (V)Chipset ManufacturerChipset Name
14.318000 - 220.00000014.31800073.33.3AMD

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeSample & Buy
951412AFLFTObsoletePVG56SSOP56CYesReelCheck Availability


Technical Documentation

Title Type Format File Size Datesort icon
PCN# : TB1303-02 Change of Tape & Reel Packing Method for Selective Products Product Change Notice PDF 361 KB Mar 24, 2013