54abt245 National Semiconductor Corporation, 54abt245 Datasheet - Page 2
54abt245
Manufacturer Part Number
54abt245
Description
Octal Bidirectional Transceiver With Tri-state Outputs
Manufacturer
National Semiconductor Corporation
Datasheet
1.54ABT245.pdf
(10 pages)
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www.national.com
Connection Diagrams
Logic Diagram
Pin Assignment for DIP
and Flatpak.
DS100204-5
2
Pin Descriptions
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
OE
T/R
A
B
Pin Names
0
0
–A
–B
OE
H
L
L
7
7
Inputs
Pin Assignment for LCC
Output Enable Input (Active LOW)
Transmit/Receive Input
Side A Inputs or TRI-STATE Outputs
Side B Inputs or TRI-STATE Outputs
T/R
H
X
L
Bus B Data to Bus A
Bus A Data to Bus B
High Z State
Description
DS100204-3
Output
DS100204-4
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