Datasheet > 74FST3251_06

74FST3251_06

更新时间： 2024-11-05 04:01:07

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
7页	200K
描述
8:1 Multiplexer/ Demultiplexer Bus Switch

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中文翻译

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74FST3251_06 数据手册

74FST3251

8:1 Multiplexer/

Demultiplexer Bus Switch

The ON Semiconductor 74FST3251 is an 8:1, 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

• No Circuit Bounce

• Control Inputs are TTL/CMOS Compatible

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

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

FST3251

AWLYWW

SOIC−16

D SUFFIX

CASE 751B

FST

3251

ALYW

TSSOP−16

DT SUFFIX

CASE 948F

S3251

ALYW

QSOP−16

QS SUFFIX

CASE 492

GND

Figure 1. QSOP/SSOP/TSSOP

TOP VIEW

L, WL

Assembly Location

Wafer Lot

Year

TRUTH TABLE

Inputs

W, WW

Work Week

Function

A Port = B1 Port

PIN NAMES

A Port = B2 Port

A Port = B3 Port

A Port = B4 Port

A Port = B5 Port

A Port = B6 Port

A Port = B7 Port

A Port = B8 Port

Disconnect

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.

NOTE: H = HIGH Voltage Level, L = LOW Voltage Level, X = Don’t Care

*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, 2006

Publication Order Number:

June, 2006 − Rev. 3

74FST3251/D

12 3 4 5 6 7

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