932S203YFLXT datasheet(1/18 Pages) IDT

No de pièce	932S203YFLXT

Description	Frequency Generator with 133MHz Differential CPU Clocks

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Fabricant	IDT [Integrated Device Technology]

Site Internet	http://www.idt.com

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ICS932S203

IDTTM Frequency Generator with 133MHz Differential CPU Clocks

0601G—01/26/10

Frequency Generator with 133MHz Differential

CPU Clocks

1

DATASHEET

Pin Configuration

Recommended Application:

Servers based on Intel CK408 processors

Output Features:

•

4 Differential CPU Clock Pairs @ 3.3V

•

7 PCI (3.3V) @ 33.3MHz

•

3 PCI_F (3.3V) @ 33.3MHz

•

1 USB (3.3V) @ 48MHz

•

1 DOT (3.3V) @ 48MHz

•

1 REF (3.3V) @ 14.318MHz

•

1 3V66 (3.3V) @ 66.6MHz

•

1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz

•

3 66MHz_OUT/3V66 (3.3V) @ 66.6MHz_IN

or 66.6MHz

•

1 66MHz_IN/3V66 (3.3V) @ Input/66MHz

Features:

•

Supports spread spectrum modulation,

down spread 0 to -0.5%.

•

Efficient power management scheme through PD#

and PCI_STOP#.

•

Uses external 14.318MHz crystal

•

Stop clocks and functional control available through

SMBus interface.

Key Specifications:

•

CPU Output Jitter <150ps

•

3V66 Output Jitter <250ps

•

CPU Output Skew <150ps

56-Pin 300mil SSOP/TSSOP

* These inputs have 150K internal pull-up resistor to VDD.

Block Diagram

Functionality

1

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