CY28439 Datasheet PDF (Clock Generator) | Download SpectraLinear CY28439

CY28439 - Clock Generator

Description

Pin No.

6,56 1,5 3 Name VDD_PCI VSS_PCI FS_E/PCI4 Type PWR GND 3.3V power supply for outputs.

Ground for outputs.

Features

Compliant to Intel£ CK410.
Supports Intel Prescott and Tejas CPU.
Selectable CPU frequencies.
Differential CPU clock pairs.
100 MHz differential SRC clocks (two selectable between Fixed and Overclocking).
96 MHz differential dot clock.
48 MHz USB clocks.
33 MHz PCI clock.
Dial-A-Frequency£.
Watchdog.
Two independent overclocking PLLs.
Low-voltage frequency select input.
I2C suppo.

Datasheet Details

Part number	CY28439
Manufacturer	SpectraLinear
File Size	228.93 KB
Description	Clock Generator
Datasheet	CY28439 Datasheet
Additional preview pages of the CY28439 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com CY28439 Clock Generator for Intel£Grantsdale Chipset Features • Compliant to Intel£ CK410 • Supports Intel Prescott and Tejas CPU • Selectable CPU frequencies • Differential CPU clock pairs • 100 MHz differential SRC clocks (two selectable between Fixed and Overclocking) • 96 MHz differential dot clock • 48 MHz USB clocks • 33 MHz PCI clock • Dial-A-Frequency£ • Watchdog • Two independent overclocking PLLs • Low-voltage frequency select input • I2C support with readback capabilities • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction • 3.3V power supply • 56-pin SSOP and TSSOP packages CPU SRC x2 x6 PCI x9 REF DOT96 x2 x1 USB x1 24-48M x1 Block Diagram Xin Xout Pin Configuration VDD_RE F RE F 14.

Published: Mar 25, 2010 |