54F243LMQB datasheet(2/6 Pages) NSC

Part #	54F243LMQB

Description	Quad Bus Transceiver with TRI-STATE Outputs

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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2 / 6 page

Unit LoadingFan Out

54F74F

Pin Names

Description

UL

Input IIH IIL

HIGHLOW

Output IOH IOL

E1

Enable Input (Active LOW)

10167

20 mA b1mA

E2

Enable Input (Active HIGH)

10167

20 mA b1mA

An Bn

Inputs

35267

70 mA b16 mA

Outputs

6001066(80) b12 mA64 mA(48 mA)

Truth Table

Inputs

InputsOutputs

E1

E2

An

Bn

H e HIGH Voltage Level

L e LOW Voltage Level

L

Input

B e A

Z e High Impedance

NA e Not Allowed

L

H

NA

HL

Z

HH

A e B

Input

2

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54F243LMQB Datasheet(PDF) 2 Page - National Semiconductor (TI)

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