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ICS9248-97 - Frequency Generator & Integrated Buffers

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Datasheet Details

Part number ICS9248-97
Manufacturer Integrated Circuit Systems
File Size 466.17 KB
Description Frequency Generator & Integrated Buffers
Datasheet download datasheet ICS9248-97 Datasheet

General Description

The ICS9248-97 is a main clock synthesizer chip for Pentium II based systems using Rambus Interface DRAMs.

This chip provides all the clocks required for such a system when used with a Direct Rambus Clock Generator(DRCG) chip such as the ICS9212-01.

Overview

Integrated Circuit Systems, Inc.

ICS9248-97 Frequency Timing Generator for PENTIUM II Systems Recommended Application: Camino chipset.

Key Features

  • • 3 - CPUs @ 2.5V, up to 180MHz. • 3 - IOAPIC @ 2.5V, PCI/2 • 3 - 3V66MHz @ 3.3V. • 11 - PCIs @ 3.3V • 1 - 48MHz, @ 3.3V fixed • 1 - 24/48MHz, @ 3.3V • 1 - CPU/2, @ 2.5V. Features: • Up to 180MHz frequency support • • • • Support power management: Power down Mode from I2C programming. Spread spectrum for EMI control ± 0.25% center spread). Uses external 14.318MHz crystal FS pins for frequency select Pin Configuration GNDREF REF0.
  • SEL24_48#/REF1 VDDREF X1 X2 GNDPCI.
  • FS0/PCICLK_F.
  • FS.

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