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ICS9148-12

Part Number	ICS9148-12
Manufacturer	Integrated Circuit Systems
Description	Pentium/ProTM System Clock Chip
Published	Feb 6, 2006
Detailed Description	Integrated Circuit Systems, Inc. ICS9148-12 Pentium/ProTM System Clock Chip General Description The ICS9148-12 is a Cl...
Datasheet	ICS9148-12 PDF File

Overview

Integrated Circuit Systems, Inc.
ICS9148-12 Pentium/ProTM System Clock Chip General Description The ICS9148-12 is a Clock Synthesizer chip for Pentium and PentiumPro CPU based Desktop/Notebook systems that will provide all necessary clock timing.
Features include four strong CPU, seven PCI and eight SDRAM clocks.
Two reference outputs are available equal to the crystal frequency.
Stronger drive CPUCLK outputs typically provide greater than 1 V/ns slew rate into 20pF loads.
This device meets rise and fall requirements with 2 loads per CPU output (ie, one clock to CPU and NB chipset, one clock to two L2 cache inputs).
PWR_DWN# pin allows low power mode by stopping crystal OSC and PLL stages.
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