Datasheet > CY28359OCT

CY28359OCT

更新时间： 2024-09-19 03:03:27

品牌	Logo	应用领域
SPECTRALINEAR		双倍数据速率
页数	文件大小	规格书
7页	129K
描述
273 MHz 6 Output Buffer for DDR400 DIMMS

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CY28359OCT 数据手册

CY28359

273 MHz 6 Output Buffer for DDR400 DIMMS

Functional Description

Features

• Dual 1- to 3-output buffer/driver

• Supports up to 2 DDR DIMMs

The CY28359 is a 2.5V buffer designed to distribute

high-speed clocks in PC applications. The part has 6 differ-

ential outputs. Designers can configure these outputs to

• Outputs are individually enabled/disabled

• Low-skew outputs (< 100 ps)

support up to two DDR DIMMs. The CY28359 can be used in

conjunction with the CY28326 or similar clock synthesizer for

the VIA P4X600 chipset.

• Supports 266 MHz, 333 MHz and 400 MHz DDR SDRAM

• SMBus Read and Write support

The CY28359 also includes an SMBus interface which can

enable or disable each output clock. On power-up, all output

clocks are enabled.

• Space-saving 28-pin SSOP package

Block Diagram

Pin Configuration

BUF_INA

FB_OUTA

FB_OUTB

BUF_INB

DDRBT0

DDRBC0

DDRBT1

DDRBC1

VDD

DDRAT0

DDRAC0

DDRAT1

DDRAC1

DDRAT2

DDRAC2

DDRBT0

DDRBC0

DDRBT1

DDRBC1

DDRBT2

DDRBC2

VSS

SEL_ADDR

DDRBT2

DDRBC2

SDATA

SEL_ADDR

SCLK

VSS

SMBus

Decoding

VDD

VSS

DDRAT2

DDRAC2

SDATA

SCLK

FB_OUTA

BUF_INA

VSS

DDRAT0

DDRAC0

DDRAT1

VSS

BUFF_INB

FB_OUTB

VDD

DDRAC1

28 PIN SSOP

Rev 1.0, November 24, 2006

Page 1 of 7

2200 Laurelwood Road, Santa Clara, CA 95054

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

www.SpectraLinear.com

12 3 4 5 6 7

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