MC74LCX540 Motorola, MC74LCX540 Datasheet

MC74LCX540

Manufacturer Part Number

MC74LCX540

Description

LOW-VOLTAGE CMOS OCTAL BUFFER

Manufacturer

Motorola

Datasheet

1.MC74LCX540.pdf (8 pages)

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Low-Voltage CMOS

Octal Buffer

Flow Through Pinout

With 5V-Tolerant Inputs and Outputs

(3-State, Inverting)

operating from a 2.7 to 3.6V supply. This device is similar in function to the

MC74LCX240, while providing flow through architecture. High

impedance TTL compatible inputs significantly reduce current loading to

input drivers while TTL compatible outputs offer improved switching noise

performance. A V I specification of 5.5V allows MC74LCX540 inputs to be

safely driven from 5V devices. The MC74LCX540 is suitable for memory

address driving and all TTL level bus oriented transceiver applications.

(OE1, OE2) inputs, when HIGH, disables the outputs by placing them in a

HIGH Z condition.

8/95

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Motorola, Inc. 1996

Designed for 2.7 to 3.6V V CC Operation

5V Tolerant — Interface Capability With 5V TTL Logic

Supports Live Insertion and Withdrawal

I OFF Specification Guarantees High Impedance When V CC = 0V

LVTTL Compatible

LVCMOS Compatible

24mA Balanced Output Sink and Source Capability

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

Substantially Reduces System Power Requirements

Latchup Performance Exceeds 500mA

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

The MC74LCX540 is a high performance, inverting octal buffer

Current drive capability is 24mA at the outputs. The Output Enable

V CC

OE1

OE2

Pinout: 20–Lead (Top View)

www.DataSheet4U.com

GND

PIN NAMES

Pins

OEn

REV 1

MC74LCX540

LOW–VOLTAGE CMOS

OCTAL BUFFER

Function

Output Enable Inputs

Data Inputs

3–State Outputs

PLASTIC SOIC EIAJ

PLASTIC TSSOP

PLASTIC SSOP

CASE 751D–04

CASE 940C–03

PLASTIC SOIC

CASE 948E–02

CASE 967–01

DW SUFFIX

SD SUFFIX

DT SUFFIX

M SUFFIX

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