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W158 - Spread Spectrum System Frequency Synthesizer

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Cypress Semiconductor

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W158 Spread Spectrum System Frequency Synthesizer by Cypress Semiconductor - Datasheet Preview — Datasheet preview – W158

Datasheet Details

Part number	W158
Manufacturer	Cypress Semiconductor
File Size	166.08 KB
Description	Spread Spectrum System Frequency Synthesizer
Datasheet	W158 Datasheet
Additional preview pages of the W158 datasheet.

Product details

Description

41, 42, 45, 46 O CPU Clock Outputs 0 through 3: These four CPU clocks run at a frequency set by SEL133/100#.

Features

Maximized EMI suppression using Cypress’s spread spectrum technology.
Intel® CK98 Specification compliant.
0.5% downspread outputs deliver up to 10 dB lower EMI.
Four skew-controlled copies of CPU output.
Eight copies of PCI output (synchronous w/CPU output).
Four copies of 66-MHz fixed frequency 3.3V clock.
Two copies of CPU/2 outputs for synchronous memory reference.
Three copies of 16.67-MHz IOAPIC clock, synchronous to.

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Published: Apr 17, 2005 |