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ICS951412 Datasheet System Clock Chip

Manufacturer: ICS

Overview: .. Integrated Circuit Systems, Inc. ICS951412 System Clock Chip for ATI RS480 K8-based Systems Remended Application: ATI RS480 systems using AMD K8 processors.

Datasheet Details

Part number ICS951412
Manufacturer ICS
File Size 326.24 KB
Description System Clock Chip
Datasheet ICS951412_ICS.pdf

General Description

Xtal, REF PCICLK output HTTCLK output CPU Outputs SRC outputs Analog, CPU PLL USB_48MHz output Functionality FS2 0 0 0 0 1 1 1 FS1 0 0 1 1 0 0 1 FS0 0 1 0 1 0 1 1 CPU MHz Hi-Z X 180.00 220.00 100.00 133.33 200.00 HTT MHz Hi-Z X/3 60.00 73.12 66.66 66.66 66.66 PCI MHz Hi-Z X/6 30.00 36.56 33.33 33.33 33.33 0883G—12/08/04 *Other names and brands may be claimed as the property of others.

ICS951412 ..

ICS951412 Pin Descriptions PIN # 1 2 3 4 5 6 7 8 9 10 PIN NAME X1 X2 VDD48 USB_48MHz GND NC SCLK SDATA **FS2 **CLKREQA# PIN TYPE I

Key Features

  • 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 Features:.
  • 2 - Programmable Clock Request pins for SRC clocks.
  • Spread Spectrum for EMI reduction.
  • Outputs may be disabled via SMBus.
  • External crystal load capacitors for.

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ICS951412 Distributor