MC74LCX543

更新时间： 2024-09-12 23:05:47

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
9页	159K
描述
LOW-VOLTAGE CMOS OCTAL LATCHING TRANSCEIVER

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MC74LCX543 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC74LCX543 is a high performance, non–inverting octal latching

transceiver operating from a 2.7 to 3.6V supply. High impedance TTL

compatible inputs significantly reduce current loading to input drivers

while TTL compatible outputs offer improved switching noise

performance. A V specification of 5.5V allows MC74LCX543 inputs to be

safely driven from 5V devices. The MC74LCX543 is suitable for memory

address driving and all TTL level bus oriented transceiver applications.

LOW–VOLTAGE CMOS

OCTAL LATCHING

TRANSCEIVER

For data flow from A to B with the EAB LOW, the A–to–B Output

Enable (OEAB) must be LOW in order to enable data to the B bus, as

indicated in the Function Table. With EAB LOW, a LOW signal on the

A–to–B Latch Enable (LEAB) input makes the A–to–B latches

transparent; a subsequent LOW–to–HIGH transition of the LEAB signal

will latch the A latches, and the outputs no longer change with the A

inputs. With EAB and OEAB both LOW, the 3–State B output buffers are

active and reflect the data present at the output of the A latches. Control

of data flow from B to A is symetric to that above, but uses the EBA,

LEBA, and OEBA inputs.

DW SUFFIX

PLASTIC SOIC

CASE 751E–04

SD SUFFIX

PLASTIC SSOP

• Designed for 2.7 to 3.6V V

Operation

• 5V Tolerant — Interface Capability With 5V TTL Logic

• Supports Live Insertion and Withdrawal

CASE 940D–03

• I

OFF

Specification Guarantees High Impedance When V

= 0V

• LVTTL Compatible

DT SUFFIX

PLASTIC TSSOP

CASE 948H–01

• LVCMOS Compatible

• 24mA Balanced Output Sink and Source Capability

• Near Zero Static Supply Current in All Three Logic States (10µA)

Substantially Reduces System Power Requirements

• Latchup Performance Exceeds 500mA

• ESD Performance: Human Body Model >2000V; Machine Model >200V

PIN NAMES

Pins

Pinout: 24–Lead Package (Top View)

Function

OExx

Exx

LExx

A0–A7

B0–B7

Output Enable Inputs

Enable Inputs

Latch Enable Inputs

3–State Inputs/Outputs

EBA B0

23 22

B7 LEAB OEAB

LEBA OEBA A0

A7 EAB GND

This document contains information on a new product. Specifications and information herein are subject to

change without notice.

11/96

REV 0.3

Motorola, Inc. 1996

12 3 4 5 6 7...9

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与MC74LCX543相关器件

型号	品牌	获取价格	描述	数据表
MC74LCX543DT	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL LATCHING TRANSCEIVER
MC74LCX543DTR2	MOTOROLA	获取价格	LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, TSSOP-24
MC74LCX543DW	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL LATCHING TRANSCEIVER
MC74LCX543DWR2	ONSEMI	获取价格	LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SOIC-24
MC74LCX543DWR2	MOTOROLA	获取价格	LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SOIC-24
MC74LCX543SD	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL LATCHING TRANSCEIVER
MC74LCX543SD	ONSEMI	获取价格	LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SSOP-24
MC74LCX543SDR2	MOTOROLA	获取价格	LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SSOP-24
MC74LCX573	ONSEMI	获取价格	LOW-VOLTAGE CMOS OCTAL TRANSPARENT LATCH
MC74LCX573	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL TRANSPARENT LATCH

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