ICS9250-25 Datasheet PDF - Integrated Circuit Systems Frequency Generator & Integrated Buffers Specs

ICS9250-25 - Frequency Generator & Integrated Buffers

Datasheet Summary

Description

The ICS9250-25 is a single chip clock solution for desktop designs using the 810/810E and Solano style chipset.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Features

2 - CPUs @ 2.5V, up to 153.33MHz.
13 - SDRAM @ 3.3V, up to 153.33MHz.
3 - 3V66 @ 3.3V, 2x PCI MHz.
8 - PCI @3.3V.
1 - 48MHz, @3.3V fixed.
1 - 24MHz @ 3.3V.
1 - REF @3.3V, 14.318MHz. Features:.
Up to 153.33MHz frequency support.
Support power management through PD#.
Spread spectrum for EMI control (± 0.25%) center spread.
Uses external 14.318MHz crystal.
FS pins for frequency selec.

Datasheet Details

Part number	ICS9250-25
Manufacturer	Integrated Circuit Systems
File Size	263.95 KB
Description	Frequency Generator & Integrated Buffers
Datasheet	ICS9250-25 Datasheet
Additional preview pages of the ICS9250-25 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS9250-25 Preliminary Product Preview Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: 810/810E and Solano type chipset Output Features: • 2 - CPUs @ 2.5V, up to 153.33MHz. • 13 - SDRAM @ 3.3V, up to 153.33MHz. • 3 - 3V66 @ 3.3V, 2x PCI MHz. • 8 - PCI @3.3V. • 1 - 48MHz, @3.3V fixed. • 1 - 24MHz @ 3.3V • 1 - REF @3.3V, 14.318MHz. Features: • Up to 153.33MHz frequency support • Support power management through PD#. • Spread spectrum for EMI control (± 0.25%) center spread. • Uses external 14.318MHz crystal • FS pins for frequency select Key Specifications: • CPU Output Jitter: <250ps • IOAPIC Output Jitter: <500ps • 48MHz, 3V66, PCI Output Jitter: <500ps • Ref Output Jitter.

Published: Dec 11, 2005 |