C9827H Datasheet PDF - Cypress Semiconductor

C9827H View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

Manufacturer

C9827H

High Performance Pentium® 4 Clock Synthesizer

Cypress Semiconductor

C9827H Datasheet PDF : 25 Pages

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Approved Product

C9827H

High Performance Pentium® 4 Clock Synthesizer

Product Features

• Supports Pentium® 4 Type CPUs

• 3.3 Volt Power Supply

• 10 Copies of PCI Clocks

• 3 Differential CPU Clocks

• SMBus Support with Read-back Capabilities

• Spread Spectrum EMI Reduction

• Dial-a-Frequency™ Features

• Dial-a-dB™ Features

• 56 Pin SSOP and TSSOP Package

Frequency Table

S2 S1 S0 CPU

3V66 66BUFF(0:2)/

66IN/

PCI_F

REF

(0:2)

3V66(0:4)

3V66-5

PCI

1 0 0 66M

66M

66IN

66MHz clock input 66IN/2 14.318M

1 0 1 100M

66M

66IN

66MHz clock input 66IN/2 14.318M

1 1 0 200M

66M

66IN

66MHz clock input 66IN/2 14.318M

1 1 1 133M

66M

66IN

66MHZ clock input 66IN/2 14.318M

0 0 0 66M

66M

33 M

14.318M

0 0 1 100M

66M

33 M

14.318M

0 1 0 200M

66M

33 M

14.318M

0 1 1 133M

66M

33 M

14.318M

M 0 0 Hi-Z

Hi-Z

M 0 1 TCLK/2 TCLK/4

TCLK/4

TCLK/8

TCLK

M 1 0 150M

50M

25M

14.318M

M 1 1 166.6M 55.5M

55.5M

27.7M 14.318M

Note: TCLK is a test clock over driven on the XTAL_IN input during test mode. M= driven to a level between 1.0 and 1.8 Volts

If the S2 pin is at a M level during power up, a 0 state will be latched into the devices internal state register.

USB/

DOT

48M

Hi-Z

TCLK/2

48M

Block Diagram

Pin Configuration

XIN

XOUT

PLL1

CPU_STP#

IREF

VSSIREF

S(0:2)

MULT0

VTT_PG#

PCI_STP#

PD#

SDATA

SCLK

VDDA

PLL2

Logic

I2C

Logic

Power

Up Logic

REF

CPU(0:2)

CPU/(0:2)

3V66_0

3V66_1/VCH

PCI(0:6)

PCI_F(0:2)

48M USB

48M DOT

66B[0:2]/3V66[2:4]

66IN/3V66-5

VDD 1

XIN 2

XOUT 3

VSS 4

PCIF0 5

PCIF1 6

PCIF2 7

VDD 8

VSS 9

PCI0 10

PCI1 11

PCI2 12

PCI3 13

VDD 14

VSS 15

PCI4 16

PCI5 17

PCI6 18

VDD 19

VSS 20

66B0/3V66_2 21

66B1/3V66_3 22

66B2/3V66_4 23

66IN/3V66_5 24

PD# 25

VDDA 26

VSSA 27

VTT_PG# 28

56 REF

55 S1

54 S0

53 CPU_STP#

52 CPU0

51 CPU/0

50 VDD

49 CPU1

48 CPU/1

47 VSS

46 VDD

45 CPU2

44 CPU/2

43 MULT0

42 IREF

41 VSSIREF

40 S2

39 48MUSB

38 48MDOT

37 VDD

36 VSS

35 3V66_1/VCH

34 PCI_STP#

33 3V66_0

32 VDD

31 VSS

30 SCLK

29 SDATA

Cypress Semiconductor Corporation

http://www.cypress.com

Document#: 38-07106 Rev. *A

12/26/2002

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