54AC245L

更新时间： 2024-11-25 22:45:31

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
8页	156K
描述
Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs

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数据手册

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54AC245L 数据手册

August 1998

54AC245 • 54ACT245

Octal Bidirectional Transceiver with TRI-STATE^®

Inputs/Outputs

General Description

Features

n I_CCand I_OZreduced by 50%

n Noninverting buffers

The ’AC/’ACT245 contains eight non-inverting bidirectional

buffers with TRI-STATE outputs and is intended for

bus-oriented applications. Current sinking capability is

24 mA at both the A and B ports. The Transmit/Receive (T/R)

input determines the direction of data flow through the bidi-

rectional transceiver. Transmit (active-HIGH) enables data

from A ports to B ports; Receive (active-LOW) enables data

from B ports to A ports. The Output Enable input, when

HIGH, disables both A and B ports by placing them in a HIGH

Z condition.

n Bidirectional data path

n A and B outputs source/sink 24 mA

n ’ACT245 has TTL-compatible inputs

n Standard Microcircuit Drawing (SMD)

— ’AC245: 5962-87758

— ’ACT245: 5962-87663

Logic Symbols

IEEE/IEC

DS100283-1

DS100283-2

Description

Names

Output Enable Input

T/R

Transmit/Receive Input

A₀–A₇

B₀–B₇

Side A TRI-STATE Inputs or TRI-STATE Outputs

Side B TRI-STATE Inputs or TRI-STATE Outputs

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

FACT^®is a registered trademark of Fairchild Semiconductor Corporation.

DS100283

www.national.com

12 3 4 5 6 7 8

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