M54HC620 데이터 시트보기 (PDF) - STMicroelectronics
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M54HC620 Datasheet PDF : 11 Pages
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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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