M74HC623B1R(2001) 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

比赛名单

M74HC623B1R
(Rev.:2001)

OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTING)

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

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