4

Integrated

Circuit

Systems, Inc.

ICS954119

Advance Information

0875—05/24/04

ICS954119 follows Intel CK410 Yellow Cover specification. This clock synthesizer provides a single chip solution for next

generation P4 Intel processors and Intel chipsets. ICS954119 is driven with a 14.318MHz crystal.

General Description

Block Diagram

I REF

PLL2

Frequency

Dividers

Programmable

Spread

PLL1

Programmable

Frequency

Dividers

STOP

Logic

48MHz, USB

X1

X2

XTAL

SDATA

SCLK

Vtt_PWRGD#/PD

FSLA

FSLB

FSLC

Sel24/48

Control

Logic

REF (1:0)

CPUCLKT (1:0)

CPUCLKC (1:0)

SRCCLKT

SRCCLKC

PCICLK (5:0)

PCICLKF (2:0)

PCI-Express (4:0)

Reset#

DOTT_96MHz

DOTC_96MHz

24/48MHz

Power Busing

VDD

6,56

10

19,34

28

35

41

46

GND

Description

1,5

PCI pads and Prepad

13

USB _48M Hz, DOT_96M Hz, Fix P LL

20,29

Differnetial PCIEX pair

25

Differnetial SRC pair

36

Analog Core, CPU PLL

38

Differnetial CPU pair

49

Xtal, Ref, CPU PLL Digital