9LPRS525(2009) View Datasheet(PDF) - Integrated Device Technology

Part Name

Description

Manufacturer

9LPRS525
(Rev.:2009)

56-pin CK505 for Intel Systems

Integrated Device Technology 

ICS9LPRS525

PC MAIN CLOCK

General Description

ICS9LPRS525 is compliant Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for Intel desktop

chipsets. ICS9LPRS525 is driven with a 14.318MHz crystal. It also provides a tight ppm accuracy output for Serial ATA and PCI-Express

support.

Block Diagram

X1

X2 OSC

REF

REF

CPU(1:0)

CPU

CPU PLL1 SRC

SS

SRC_MAIN

SRC8/ITP

SRC(7:3)

PLL3

SS

SRC

PCI33MHz

PCI33MHz

FSLA

CKPWRGD/PD#

PCI_STOP#

CPU_STOP#

CR#_(A:F)

SRC5_EN

ITP_EN

FSLC/TESTSEL

FSLB/TESTMODE

Control

Logic

Differential Output

SE Outputs

7

PLL2

Non-SS

SATA

DOT96MHz

48MHz

PCI(5:0)

SRC2/SATA

SRC1/SE(2:1)

SRC0/DOT96

48MHz

Power Groups

Pin Number

VDD

GND

49

52

55

52

26, 36, 45

23, 29, 42

39

23, 29, 42

20

19

16

19

12

11

9

11

61

58

2

8

IDTTM/ICSTM PC MAIN CLOCK

Description

CPUCLK

Low power outputs

Master Clock, Analog

SRCCLK

Low power outputs

PLL 1

PLL3/SE

Low power outputs

PLL 3

DOT 96Mhz Low power outputs

USB 48

Xtal, REF

PCICLK

4

1484A—04/28/09

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