CY28442 Datasheet PDF - Cypress Semiconductor Clock Generator Specs

CY28442 - Clock Generator

Datasheet Summary

Description

I/O, PU 3.3V LVTTL input for enabling assigned SRC clock (active low) or 100 MHz Serial Reference Clock.

Selectable through CLKREQA# defaults to enable/disable SRCT/C4, CLKREQB# defaults to enable/disable SRCT/C5.

Assignment can be changed via SMBUS register Byte 8.

Features

Compliant to Intel CK410M.
Supports Intel Pentium-M CPU.
Selectable CPU frequencies.
Differential CPU clock pairs.
100-MHz differential SRC clocks.
96-MHz differential dot clock.
48-MHz USB clocks.
SRC clocks independently stoppable through CLKREQ#[A:B].
96/100 MHz Spreadable differential clock.
33-MHz PCI clock.
Low-voltage frequency select input.
I2C support with readback capabilities.

Datasheet Details

Part number	CY28442
Manufacturer	Cypress Semiconductor
File Size	319.63 KB
Description	Clock Generator
Datasheet	CY28442 Datasheet
Additional preview pages of the CY28442 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com ADVANCE INFORMATION CY28442 Clock Generator for Intel Alviso Chipset Features • Compliant to Intel CK410M • Supports Intel Pentium-M CPU • Selectable CPU frequencies • Differential CPU clock pairs • 100-MHz differential SRC clocks • 96-MHz differential dot clock • 48-MHz USB clocks • SRC clocks independently stoppable through CLKREQ#[A:B] • 96/100 MHz Spreadable differential clock. • 33-MHz PCI clock • Low-voltage frequency select input • I2C support with readback capabilities • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction • 3.

Published: Jul 24, 2007 |