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ICS952004 - Programmable Timing Control Hub for P4 processor

Description

The ICS952004 is a two chip clock solution for desktop designs using SIS 645/650 style chipsets.

When used with a zero delay buffer such as the ICS9179-06 for PC133 or the ICS93705 for DDR applications it provides all the necessary clocks signals for such a system.

Features

  • 2 - Pairs of differential CPUCLKs (differential current mode).
  • 1 - SDRAM @ 3.3V.
  • 8 - PCI @3.3V.
  • 2 - AGP @ 3.3V.
  • 2 - ZCLKs @ 3.3V.
  • 1- 48MHz, @3.3V fixed.
  • 1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz).
  • 3- REF @3.3V, 14.318MHz. Features/Benefits:.
  • Selectable asynchronous/synchronous AGP, ZCLK and PCI outputs.
  • Programmable output frequency, divider ratios, output rise/ falltime, output skew.

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Datasheet preview – ICS952004

Datasheet Details

Part number ICS952004
Manufacturer Integrated Circuit Systems
File Size 173.90 KB
Description Programmable Timing Control Hub for P4 processor
Datasheet download datasheet ICS952004 Datasheet
Additional preview pages of the ICS952004 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS952004 Programmable Timing Control Hub™ for P4™ processor Recommended Application: SIS 645/650 style chipsets. Output Features: • 2 - Pairs of differential CPUCLKs (differential current mode) • 1 - SDRAM @ 3.3V • 8 - PCI @3.3V • 2 - AGP @ 3.3V • 2 - ZCLKs @ 3.3V • 1- 48MHz, @3.3V fixed. • 1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz) • 3- REF @3.3V, 14.318MHz. Features/Benefits: • Selectable asynchronous/synchronous AGP, ZCLK and PCI outputs • Programmable output frequency, divider ratios, output rise/ falltime, output skew. • Programmable spread percentage for EMI control. • Watchdog timer technology to reset system if system malfunctions. • Programmable watch dog safe frequency.
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