ICS9250-08 Datasheet PDF - Integrated Circuit Systems Frequency Generator & Integrated Buffers Specs

ICS9250-08 - Frequency Generator & Integrated Buffers

Datasheet Summary

Description

14.318 MHz reference clock output L a t c h e d f r e q u e n cy s e l e c t i n p u t .

H a s p u l l - u p t o V D D P C I 14.318MHz reference clock output Halts PCICLK [5:0] at logic "0" level when low.

(in mobile, MODE=0) Ground.

Features

3 - CPUs @2.5V, up to 150MHz.
17 - SDRAM @ 3.3V, up to 150MHz.
7 - PCI @3.3V.
2 - IOAPIC @ 2.5V.
1 - 48MHz, @3.3V fixed.
1 - 24MHz @ 3.3V.
2 - REF @3.3V, 14.318MHz. Features:.
Up to 150MHz frequency support.
Support power management: CPU, PCI, stop and Power down Mode form I2C programming.
Spread spectrum for EMI control (0 to -0.5%, ± 0.25%).
Uses external 14.318MHz crystal Key Specificatio.

Datasheet Details

Part number	ICS9250-08
Manufacturer	Integrated Circuit Systems
File Size	372.69 KB
Description	Frequency Generator & Integrated Buffers
Datasheet	ICS9250-08 Datasheet
Additional preview pages of the ICS9250-08 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS9250-08 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: BX, Appollo Pro 133 type of chip set. Output Features: • 3 - CPUs @2.5V, up to 150MHz. • 17 - SDRAM @ 3.3V, up to 150MHz. • 7 - PCI @3.3V • 2 - IOAPIC @ 2.5V • 1 - 48MHz, @3.3V fixed. • 1 - 24MHz @ 3.3V • 2 - REF @3.3V, 14.318MHz. Features: • Up to 150MHz frequency support • Support power management: CPU, PCI, stop and Power down Mode form I2C programming. • Spread spectrum for EMI control (0 to -0.5%, ± 0.25%). • Uses external 14.

Published: Dec 11, 2005 |