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ICS9133X

Part Number	ICS9133X
Manufacturer	Integrated Circuit Systems
Description	32 kHz Motherboard Frequency Generator
Published	Sep 26, 2005
Detailed Description	Integrated Circuit Systems, Inc. ICS9133X 32 kHz Motherboard Frequency Generator General Description The ICS9133X is d...
Datasheet	ICS9133X PDF File

Overview

Integrated Circuit Systems, Inc.
ICS9133X 32 kHz Motherboard Frequency Generator General Description The ICS9133X is designed to generate clocks for all 286, 386, 486, Pentium and RISC-based motherboards, including laptops and notebook computers.
The only external components required are a 32.
768 kHz crystal and decoupling capacitors.
The device generates the 14.
318 MHz system clock, eliminating the need for a 14.
318 MHz crystal.
High performance applications may require high speed clock termination components.
The chip includes three independent clock generators plus the 32.
768 kHz reference clock to produce all necessary frequencies, including real time clock/DRAM refresh, master clock, CPU clock, twice CPUclock frequency, keyboard clock, floppy disk controller clock, serial communications clock and bus clocks.
Different frequencies from clock #2 can be selected using the frequency select pins, but clock #1 will be at 14.
318 MHz for all standard versions.
Features • • • • • • • • ...

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