Datasheet > 74FST32517D

74FST32517D

更新时间： 2024-11-04 22:37:03

品牌	Logo	应用领域
安森美 - ONSEMI		解复用器开关
页数	文件大小	规格书
8页	88K
描述
Quad 2:1 Multiplexer/ Demultiplexer Bus Switch

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74FST32517D 数据手册

74FST3257

Quad 2:1 Multiplexer/

Demultiplexer Bus Switch

The ON Semiconductor 74FST3257 is a quad 2:1, high performance

multiplexer/demultiplexer bus switch. The device is CMOS TTL

compatible when operating between 4 and 5.5 Volts. The device

http://onsemi.com

MARKING

exhibits extremely low R and adds nearly zero propagation delay.

The device adds no noise or ground bounce to the system.

DIAGRAMS

Features

• R t 4 W Typical

• Less Than 0.25 ns−Max Delay Through Switch

• Nearly Zero Standby Current

FST3257

AWLYWW

• No Circuit Bounce

SOIC−16

D SUFFIX

• Control Inputs are TTL/CMOS Compatible

• Pin−For−Pin Compatible With QS3257, FST3257, CBT3257

• All Popular Packages: QSOP−16, TSSOP−16, SOIC−16

• All Devices in Package TSSOP are Inherently Pb−Free*

CASE 751B

FST

3257

ALYW

TSSOP−16

DT SUFFIX

CASE 948F

GND

S3257

ALYW

QSOP−16

QS SUFFIX

CASE 492

Figure 1. 16−Lead Pinout

= Assembly Location

= Year

L, WL = Wafer Lot

Function

Disconnect

W, WW = Work Week

A = B

PIN NAMES

Figure 2. Truth Table

Description

OE , OE

Bus Switch Enables

S , S

Select Inputs

Bus A

B , B , B , B

Bus B

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

Semiconductor Components Industries, LLC, 2005

Publication Order Number:

January, 2005 − Rev. 2

74FST3257/D

12 3 4 5 6 7 8

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