74LCX245WMX datasheet(2/12 Pages) FAIRCHILD

Part #	74LCX245WMX

Description	Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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Logic Symbol

Pin Descriptions

Truth Table

H

HIGH Voltage Level

L

LOW Voltage Level

X

Immaterial

Z

High Impedance

Note 5: Unused bus terminals during HIGH Z State must be held

HIGH or LOW.

Connection Diagrams

Pin Assignments for SOIC,

SOP, SSOP, and TSSOP

Pin Assignment for DQFN

(Top Through View)

Logic Diagram

Pin Names

Description

OE

Output Enable Input

T/R

Transmit/Receive Input

A0–A7

Side A Inputs or 3-STATE Outputs

B0–B7

Side B Inputs or 3-STATE Outputs

Inputs

Outputs

OE

T/R

L

Bus B0 – B7 Data to Bus A0 – A7

L

H

Bus A0 – A7 Data to Bus B0 – B7

H

X

HIGH Z State on A0 – A7, B0 – B7 (Note 5)

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