M74HC623B1R View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

M74HC623B1R

HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING OCTAL BUS TRANSCEIVER

STMicroelectronics 

M54/M74HC620/623

INPUT AND OUTPUT EQUIVALENT CIRCUIT

TRUTH TABLE

GAB

L

H

L

H

INPUTS

GBA

L

H

H

L

LOGIC DIAGRAM

FUNCTION

A Bus

B Bus

Output

Input

Input

Output

High Impedance

High Impedance

OUTPUS

HC620

HC623

A=B

A=B

B=A

B=A

Z

Z

Z

Z

2/11

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