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74LVX245 Low Voltage Octal Bidirectional Transceiver

January 1996

74LVX245

Low Voltage Octal Bidirectional Transceiver

General Description

The LVX245 contains eight non-inverting bidirectional buff-

ers is intended for bus-oriented applications The Transmit

Receive (T R) input determines the direction of data flow

through the bidirectional transceiver Transmit (active-

HIGH) enables data from A ports to B ports Receive (ac-

tive-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

Features

Y

Y

Y

Ideal for low power low noise 3 3V applications

Available in SOIC JEDEC SOIC EIAJ and TSSOP

packages

Guaranteed simultaneous switching noise level and

dynamic threshold performance

Logic Symbols

Connection Diagram

Pin Assignment for

SOIC and TSSOP

TL F 11597鈥?

TL F 11597 鈥?3

TL F 11597 鈥?5

Pin

Names

OE

T R

A

0

鈥揂

7

B

0

鈥揃

7

Description

Output Enable Input

Transmit Receive Input

Side A TRI-STATE Inputs or TRI-STATE Outputs

Side B TRI-STATE Inputs or TRI-STATE Outputs

Truth Table

Inputs

OE

L

L

H

H

e

HIGH Voltage Level

Outputs

T R

L

H

X

Bus B Data to Bus A

Bus A Data to Bus B

HIGH-Z State

X

e

Immaterial

L

e

LOW Voltage Level

SOIC JEDEC

Order Number

See NS Package Number

74LVX245M

74LVX245MX

M20B

SOIC EIAJ

74LVX245SJ

74LVX245SJX

M20D

TSSOP

74LVX245MTC

74LVX245MTCX

MTC20

TRI-STATE is a registered trademark of National Semiconductor Corporation

C

1996 National Semiconductor Corporation

TL F 11597

RRD-B30M17 Printed in U S A

http

www national com

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