Connection Diagram
Truth Tables
Inputs
Outputs
OE1
T/R1
L
L
Bus B0–B7 Data to Bus A0–A7
L
H
Bus A0–A7 Data to Bus B0–B7
H
X
HIGH Z State on A0–A7, B0–B7
Inputs
Outputs
OE2
T/R2
L
L
Bus B8–B15 Data to Bus A8–A15
L
H
Bus A8–A15 Data to Bus B8–B15
H
X
HIGH Z State on A8–A15, B8–B15
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial (HIGH or LOW, inputs and I/O’s may not float)
Z = High Impedance
Logic Diagram
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