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ICS951901 - Programmable Frequency Generator & Integrated Buffers

Description

The ICS951901 is a single chip clock solution for desktop designs using 630S chipsets.

It provides all necessary clock signals for such a system.

The ICS951901 belongs to ICS new generation of programmable system clock generators.

Features

  • 3 - CPU @ 2.5V.
  • 13 - SDRAM @ 3.3V.
  • 6 - PCI @3.3V,.
  • 2 - AGP @ 3.3V.
  • 1 - 48MHz, @3.3V fixed.
  • 1 - 24/48MHz, @3.3V selectable by I2C (Default is 24MHz).
  • 2 - REF @3.3V, 14.318MHz. Features:.
  • Programmable ouput frequency.
  • Programmable ouput rise/fall time.
  • Programmable SDRAM and CPU skew.
  • Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage.
  • Watchdo.

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Datasheet Details

Part number ICS951901
Manufacturer ICS
File Size 225.65 KB
Description Programmable Frequency Generator & Integrated Buffers
Datasheet download datasheet ICS951901 Datasheet

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Full PDF Text Transcription

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www.DataSheet4U.com Integrated Circuit Systems, Inc. ICS951901 Programmable Frequency Generator & Integrated Buffers for Pentium III Processor Recommended Application: Single chip clock solution for IA platform. Output Features: • 3 - CPU @ 2.5V • 13 - SDRAM @ 3.3V • 6 - PCI @3.3V, • 2 - AGP @ 3.3V • 1 - 48MHz, @3.3V fixed. • 1 - 24/48MHz, @3.3V selectable by I2C (Default is 24MHz) • 2 - REF @3.3V, 14.318MHz. Features: • Programmable ouput frequency. • Programmable ouput rise/fall time. • Programmable SDRAM and CPU skew. • Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage. • Watchdog timer technology to reset system if over-clocking causes malfunction. • Uses external 14.318MHz crystal.
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