W40S01-04

更新时间： 2024-09-28 22:14:47

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		动态存储器
页数	文件大小	规格书
10页	136K
描述
SDRAM Buffer - 4 DIMM

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中文翻译

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数据手册

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W40S01-04 数据手册

W40S01-04

SDRAM Buffer - 4 DIMM

Features

Key Specifications

• Eighteen skew controlled CMOS outputs (SDRAM0:17)

• Supports four SDRAM DIMMs

Supply Voltages:....................................... V

= 3.3V±5%

DDQ3

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

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

• Ideal for high-performance systems designed around

Intel®’s 440BX chip set

Maximum Input Voltage:...................................V

+ 0.5V

DDQ3

• I C serial configuration interface

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

BUF_IN to SDRAM0:17 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

Part to Part Skew:........................................................700 ps

• Output 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 48-pin SSOP

(Small Shrink Outline Package)

Overview

The Cypress W40S01-04 is a low-voltage, eighteen-output

signal buffer. Output buffer impedance is approximately 15Ω

which is ideal for driving SDRAM DIMMs.

Pin Configuration

Block Diagram

SDATA

SCLOCK

Serial Port

Device Control

SSOP

SDRAM0

VDDQ3

SDRAM0

SDRAM1

GND

VDDQ3

SDRAM2

SDRAM3

GND

BUF_IN

VDDQ3

SDRAM4

SDRAM5

GND

VDDQ3

SDRAM6

SDRAM7

GND

VDDQ3

SDRAM16

GND

SDRAM1

SDRAM2

SDRAM3

SDRAM4

SDRAM5

SDRAM6

VDDQ3

SDRAM15

SDRAM14

GND

VDDQ3

SDRAM13

SDRAM12

GND

[1]

SDRAM7

SDRAM8

SDRAM9

SDRAM10

SDRAM11

SDRAM12

SDRAM13

VDDQ3

SDRAM11

SDRAM10

GND

VDDQ3

SDRAM9

SDRAM8

GND

VDDQ3

SDRAM17

GND

SCLOCK

BUF_IN

SDRAM14

SDRAM15

SDRAM16

SDRAM17

VDDQ3

[1]

SDATA

Note:

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

inputs (not CMOS level).

Intel is a registered trademark of Intel Corporation.

Cypress Semiconductor Corporation

•

3901 North First Street

•

San Jose

•

CA 95134

•

408-943-2600

June 20, 2000, rev. **

12 3 4 5 6 7...10

中文翻译

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与W40S01-04相关器件

型号	品牌	获取价格	描述	数据表
W40S01-04H	SILICON	获取价格	Low Skew Clock Driver, W40S Series, 18 True Output(s), 0 Inverted Output(s), CMOS, PDSO48,
W40S01-04HT	SILICON	获取价格	Low Skew Clock Driver, W40S Series, 18 True Output(s), 0 Inverted Output(s), CMOS, PDSO48,
W40S11	CYPRESS	获取价格	SDRAM Buffer - 2 DIMM (Mobile)
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

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