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ICS9250-32 - Frequency Generator & Integrated Buffers

Description

The ICS9250-32 is the single chip clock solution for Desktop designs.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Features

  • 3 - CPUs @ 2.5V.
  • 8 - PCI @ 3.3V.
  • 2 - IOAPIC @ 2.5V.
  • 1 - MREF @ 2.5V, DRCG memory reference clock.
  • 9 - SDRAM @ 3.3V including one free running.
  • 1 - 2V48M @ 2.5V fixed (DOT).
  • 1 - 3V48M @ 3.3V fixed (USB).
  • 2 - REF @ 3.3V, 14.318MHz. Features:.
  • Support power management: CPU, PCI, SDRAM stop from I2C programming.
  • Spread spectrum for EMI control (0 to -0.5%).
  • Uses external 14.318MHz crystal Key Specif.

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Datasheet preview – ICS9250-32

Datasheet Details

Part number ICS9250-32
Manufacturer Integrated Circuit Systems
File Size 447.41 KB
Description Frequency Generator & Integrated Buffers
Datasheet download datasheet ICS9250-32 Datasheet
Additional preview pages of the ICS9250-32 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS9250-32 Frequency Generator & Integrated Buffers for PII/III™ Recommended Application: Timna Style Chipset Output Features: • 3 - CPUs @ 2.5V • 8 - PCI @ 3.3V • 2 - IOAPIC @ 2.5V • 1 - MREF @ 2.5V, DRCG memory reference clock • 9 - SDRAM @ 3.3V including one free running • 1 - 2V48M @ 2.5V fixed (DOT) • 1 - 3V48M @ 3.3V fixed (USB) • 2 - REF @ 3.3V, 14.318MHz. Features: • Support power management: CPU, PCI, SDRAM stop from I2C programming. • Spread spectrum for EMI control (0 to -0.5%) • Uses external 14.
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