Datasheet > CY28342

CY28342

更新时间： 2024-11-18 04:38:03

品牌	Logo	应用领域
SPECTRALINEAR		时钟
页数	文件大小	规格书
21页	259K
描述
High-performance SiS645/650 Pentium㈢ 4-Clock Synthesizer

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CY28342 数据手册

CY28342

High-performance SiS645/650 Pentium® 4-Clock Synthesizer

Features

• Supports Pentium^£4-type CPUs

• SMBus support with read-back capabilities

• Spread Spectrum EMI reduction

• Dial-a-Frequency^®features

• Dial-a-Ratio™ features

• 3.3V power supply

• Eight copies of PCI clocks

• One 48 MHz USB clock

• Two copies of ZCLK clocks

• One 48 MHz/24MHz programmable SIO clock

• Two differential CPU clock pairs

• Dial-a-dB^®features

• 48-pin SSOP and TSSOP packages

• Watchdog Function

Pin Configuration^[1]

Block Diagram

XIN

XOUT

REF(0:2)

VDDSD

SDCLK

VSSSD

VDDR

**FS0/REF0

**FS1/REF1

**FS2/REF2

VSSR

CPU(0:1)T

CPU(0:1)C

PLL1

CPU_STP#*

CPU1T

CPU1C

VDDC

VSSC

XIN

XOUT

CPU_STP#

IREF

SDCLK

VSSZ

ZCLK0

ZCLK1

CPU0T

CPU0C

IREF

VSSA

VDDA

AGP(0:1)

Power

Latch

FS(0:4)

VDDZ

*SRESET#/PCI_STP#

ZCLK(0:1)

MULT0

VDDP

VTTPWRGD

SCLK

SDATA

PD#/VTTPWRGD*

VSSAGP

AGP0

**FS3/PCI_F0

**FS4/PCI_F1

PCI(0:5)

PCI_STP#

PCI0 16

PCI1

PCI_F(0:1)

48M

PLL2

VSSP

VDDP

PCI2

PCI3

PCI4

AGP1

48M_24M#

VDDAGP

VDD48M

48M

Logic

PD#

SRESET#

24_48M/MULT0*

PCI5

I2C

Logic

SDATA

SCLK

VSS48M

VSSP

48 Pin SSOP andf TSSOP

Note:

1. Pins marked with [*] have internal pull-up resistors. Pins marked with [**] have internal pull-down resistors.

Rev 1.0, November 20, 2006

Page 1 of 21

2200 Laurelwood Road, Santa Clara, CA 95054

Tel:(408) 855-0555 Fax:(408) 855-0550

www.SpectraLinear.com

12 3 4 5 6 7...21

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与CY28342相关器件

型号	品牌	获取价格	描述	数据表
CY28342OC	SPECTRALINEAR	获取价格	High-performance SiS645/650 Pentium㈢ 4-Clock
CY28342OC	CYPRESS	获取价格	High-performance SiS645/650 Pentium 4 Clock Synthesizer
CY28342OCT	CYPRESS	获取价格	High-performance SiS645/650 Pentium 4 Clock Synthesizer
CY28342OCT	SPECTRALINEAR	获取价格	High-performance SiS645/650 Pentium㈢ 4-Clock
CY28342ZC	SPECTRALINEAR	获取价格	High-performance SiS645/650 Pentium㈢ 4-Clock
CY28342ZC	CYPRESS	获取价格	High-performance SiS645/650 Pentium 4 Clock Synthesizer
CY28342ZCT	CYPRESS	获取价格	High-performance SiS645/650 Pentium 4 Clock Synthesizer
CY28342ZCT	SPECTRALINEAR	获取价格	High-performance SiS645/650 Pentium㈢ 4-Clock
CY28343	CYPRESS	获取价格	Zero Delay SDR/DDR Clock Buffer
CY28343OC	CYPRESS	获取价格	Zero Delay SDR/DDR Clock Buffer