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M54HC620B1R Datasheet(PDF) 2 Page - STMicroelectronics

Part # M54HC620B1R
Description  OCTAL BUS TRANSCEIVER HC620 3 STATE INVERTING HC623 3 STATE NON INVERTING
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC620B1R Datasheet(HTML) 2 Page - STMicroelectronics

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INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUTS
FUNCTION
OUTPUS
GAB
GBA
A Bus
B Bus
HC620
HC623
L
L
Output
Input
A = B
A = B
H
H
Input
Output
B = A
B = A
L
H
High Impedance
Z
Z
H
L
High Impedance
Z
Z
LOGIC DIAGRAM
M54/M74HC620/623
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