MC74AC257D

更新时间： 2024-09-15 05:09:59

品牌	Logo	应用领域
安森美 - ONSEMI		复用器
页数	文件大小	规格书
12页	182K
描述
Quad 2−Input Multiplexer with 3−State Outputs

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MC74AC257D 数据手册

MC74AC257, MC74ACT257

Quad 2−Input Multiplexer

with 3−State Outputs

The MC74AC257/74ACT257 is a quad 2−input multiplexer with

3−state outputs. Four bits of data from two sources can be selected

using a Common Data Select input. The four outputs present the

selected data in true (noninverted) form. The outputs may be switched

to a high impedance state by placing a logic HIGH on the common

Output Enable (OE) input, allowing the outputs to interface directly

with bus−oriented systems.

http://onsemi.com

DIP−16

N SUFFIX

CASE 648

• Multiplexer Expansion by Tying Outputs Together

• Noninverting 3−State Outputs

• Outputs Source/Sink 24 mA

• ′ACT257 Has TTL Compatible Inputs

SO−16

w These devices are available in Pb−free package(s). Specifications herein

apply to both standard and Pb−free devices. Please see our website at

www.onsemi.com for specific Pb−free orderable part numbers, or

contact your local ON Semiconductor sales office or representative.

D SUFFIX

CASE 751B

TSSOP−16

DT SUFFIX

CASE 948F

EIAJ−16

M SUFFIX

CASE 966

GND

ORDERING INFORMATION

Figure 1. Pinout: 16−Lead Packages Conductors

Device

Package

Shipping

(Top View)

MC74AC257N

MC74ACT257N

MC74AC257D

MC74ACT257D

MC74AC257DR2

25 Units/Rail

PDIP−16

SOIC−16

48 Units/Rail

SOIC−16

2500 Tape & Reel

MC74ACT257DR2

MC74AC257DT

2500 Tape & Reel

96 Units/Rail

SOIC−16

TSSOP−16

MC74ACT257DT

MC74AC257DTR2

96 Units/Rail

TSSOP−16

2500 Tape & Reel

MC74ACT257DTR2

MC74ACT257M

2500 Tape & Reel

50 Units/Rail

TSSOP−16

EIAJ−16

MC74AC257MEL

MC74ACT257MEL

2000 Tape & Reel

EIAJ−16

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 8 of this data sheet.

Publication Order Number:

March, 2006 − Rev. 7

MC74AC257/D

12 3 4 5 6 7...12

中文翻译

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MC74AC257D 替代型号

型号	品牌	替代类型	描述	数据表
MC74AC257DR2G	ONSEMI	功能相似	Quad 2-Input Multiplexer 3-State Output, SOIC 16 LEAD, 2500-REEL
MC74AC257MELG	ONSEMI	功能相似	IC AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, PLASTIC, EIAJ-16, Mu
MC74AC257MEL	ONSEMI	功能相似	Quad 2−Input Multiplexer with 3−State Outputs

与MC74AC257D相关器件

型号	品牌	获取价格	描述	数据表
MC74AC257DC	MOTOROLA	获取价格	Multiplexer, AC Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16, PL
MC74AC257DCR1	MOTOROLA	获取价格	AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, PLASTIC, SOIC-16
MC74AC257DG	ONSEMI	获取价格	Quad 2-Input Multiplexer with 3-State Outputs
MC74AC257DR	MOTOROLA	获取价格	Multiplexer, AC Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16, PL
MC74AC257DR2	ONSEMI	获取价格	Quad 2−Input Multiplexer with 3−State Outputs
MC74AC257DR2G	ONSEMI	获取价格	Quad 2-Input Multiplexer 3-State Output, SOIC 16 LEAD, 2500-REEL
MC74AC257DT	ONSEMI	获取价格	Quad 2−Input Multiplexer with 3−State Outputs
MC74AC257DTR2	ONSEMI	获取价格	Quad 2−Input Multiplexer with 3−State Outputs
MC74AC257DTR2G	ONSEMI	获取价格	MULTIPLEXER
MC74AC257M	ONSEMI	获取价格	AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, EIAJ, PLASTIC PACKAGE-1

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