Datasheet > W40S11

W40S11

更新时间： 2024-11-15 22:14:47

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		动态存储器手机
页数	文件大小	规格书
11页	170K
描述
SDRAM Buffer - 2 DIMM (Mobile)

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中文翻译

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W40S11 数据手册

W40S11-02

SDRAM Buffer - 2 DIMM (Mobile)

Features

Key Specifications

• Ten skew-controlled CMOS outputs (SDRAM0:9)

• Supports two SDRAM DIMMs

Supply Voltages:........................................... V = 3.3V±5%

Operating Temperature:.................................... 0°C to +70°C

Input Threshold: .................................................. 1.5V typical

• Ideal for high-performance systems designed around

Intel®’s latest Mobile chip set

Maximum Input Voltage:.......................................V + 0.5V

• I C Serial configuration interface

Input Frequency:............................................... 0 to 133 MHz

BUF_IN to SDRAM0:9 Propagation Delay: ........1.0 to 5.0 ns

Output Edge Rate:................................................. >1.5 V/ns

Output Skew:............................................................ ±250 ps

Output Duty Cycle: .................................. 45/55% worst case

Output Impedance:........................................15 ohms typical

Output Type:................................................ CMOS rail-to-rail

• Skew between any two outputs is less than 250 ps

• 1 to 5 ns propagation delay

• DC to 133-MHz operation

• Single 3.3V supply voltage

• Low power CMOS design packaged in a 28-pin, 209-mil

SSOP (Shrink Small Outline Package)

Overview

The Cypress W40S11-02 is a low-voltage, ten-output clock

buffer. Output buffer impedance is approximately 15Ω, which

is ideal for driving SDRAM DIMMs.

Pin Configuration

Block Diagram

SDATA

SCLOCK

Serial Port

Device Control

VDD

SDRAM0

SDRAM1

GND

VDD

SDRAM7

SDRAM6

GND

SDRAM0

SDRAM1

VDD

SDRAM2

SDRAM3

GND

BUF_IN

VDD

SDRAM5

SDRAM4

GND

SDRAM2

SDRAM3

SDRAM4

SDRAM5

SDRAM6

[1]

VDD

SDRAM9

GND

SCLOCK

SDRAM8

GND

VDD

[1]

SDATA

SDRAM7

SDRAM8

SDRAM9

BUF_IN

Note:

1. Internal pull-up resistor of 250K on SDATA, SCLOCK, and OE

inputs (should not be relied upon for pulling up to V_DD).

Intel is a registered trademark of Intel Corporation.

Cypress Semiconductor Corporation

•

3901 North First Street

•

San Jose

•

CA 95134

•

408-943-2600

September 29, 1999, rev. **

12 3 4 5 6 7...11

中文翻译

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与W40S11相关器件

型号	品牌	获取价格	描述	数据表
W40S11-02	CYPRESS	获取价格	SDRAM Buffer - 2 DIMM (Mobile)
W40S11-02	SPECTRALINEAR	获取价格	SDRAM Buffer - 2 DIMM (Mobile)
W40S11-02H	SPECTRALINEAR	获取价格	SDRAM Buffer - 2 DIMM (Mobile)
W40S11-02X	SPECTRALINEAR	获取价格	SDRAM Buffer - 2 DIMM (Mobile)
W40S11-23	CYPRESS	获取价格	Clock Buffer/Driver
W40S11-23_01	CYPRESS	获取价格	Clock Buffer/Driver
W40S11-23G	ETC	获取价格	THIRTEEN DISTRIBUTED-OUTPUT CLOCK DRIVER\|CMOS\|SOP\|28PIN\|PLASTIC
W40S11-23H	ETC	获取价格	THIRTEEN DISTRIBUTED-OUTPUT CLOCK DRIVER\|CMOS\|SSOP\|28PIN\|PLASTIC
W40S11-23X	CYPRESS	获取价格	Low Skew Clock Driver, 13 True Output(s), 0 Inverted Output(s), CMOS, PDSO28, 0.173 INCH,
W40S11-23XT	CYPRESS	获取价格	Low Skew Clock Driver, W40 Series, 13 True Output(s), 0 Inverted Output(s), CMOS, PDSO28,

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