Datasheet > 74AC253LCX

74AC253LCX

更新时间： 2024-11-23 06:55:43

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
10页	170K
描述
AC SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20

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74AC253LCX 数据手册

July 1995

54AC/74AC253 54ACT/74ACT253

Dual 4-Input Multiplexer with TRI-STATE Outputs

General Description

Features

and I

reduced by 50%

The ’AC/’ACT253 is a dual 4-input multiplexer with TRI-

STATE outputs. It can select two bits of data from four

sources using common select inputs. The outputs may be

individually switched to a high impedance state with a HIGH

on the respective Output Enable (OE) inputs, allowing the

outputs to interface directly with bus oriented systems.

Multifunction capability

Noninverting TRI-STATE outputs

Outputs source/sink 24 mA

’ACT253 has TTL-compatible inputs

Standard Military Drawing (SMD)

Ð ’AC253: 5962-87693

Ð ’ACT253: 5962-87761

Logic Symbols

Connection Diagrams

Pin Assignment

for DIP, Flatpak and SOIC

IEEE/IEC

TL/F/9946–1

TL/F/9946–3

Pin Assignment

for LCC

TL/F/9946–2

Pin Names

Description

–I

0a 3a

Side A Data Inputs

I –I

0b 3b

Side B Data Inputs

S , S

Common Select Inputs

Side A Output Enable Input

Side B Output Enable Input

TRI-STATE Outputs

Z , Z

TL/F/9946–4

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

FACT^TMis a trademark of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/F/9946

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7...10

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