ICS9248-143 - Frequency Generator & Integrated Buffers

Integrated Circuit Systems

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Datasheet Details

Part number	ICS9248-143
Manufacturer	Integrated Circuit Systems
File Size	506.42 KB
Description	Frequency Generator & Integrated Buffers
Datasheet	ICS9248-143_IntegratedCircuitSystems.pdf

ICS9248-143 Product details

Description

PIN NUMBER 1 2 20 3, 9, 16, 33, 40, 44 4 5 6,14 7 8 10 11 17, 13, 12 15 18 19 21 22 28, 29, 31, 32, 34, 35, 37, 38 30, 36 23 24 25 26 27 39 41 42, 43, 45 46 47 48 P I N NA M E VDDREF S P R E A D 1,2 REF0 PCI_STOP# GND X1 X2 VDDPCI C P U 2 .

Features

4 - CPUs @ 2.5V/3.3V including 1 free running CPUCLK_F 9 - SDRAM @ 3.3V 7 - PCI @ 3.3V, including 1 free running PCICLK_F 1 - PCI Early @ 3.3V 1 - 48MHz, @ 3.3V fixed. 1 - 24/48MHz @ 3.3V 2 - REF @3.3V, 14.318MHz. Features: Up to 137MHz frequency support 97MHz to support high-end AMD processor. Support power management: CLK, PCI, stop and Power down Mode from I2C programming. Spread spectrum for EMI control (±.25% & 0 to -0.5% down spread). Uses external 14.318MHz crysta.

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Published: Oct 7, 2005 |