
Logic Symbol
IEEE/IEC
Connection Diagram
Pin Descriptions
Pin Names
Description
OE1, OE2
I0–I7
O0–O7
3-STATE Output Enable Inputs
Inputs
Outputs
Truth Tables
Inputs
OE1
In
L
L
L
H
H
X
Outputs
(Pins 12, 14, 16, 18)
L
H
Z
Inputs
OE2
In
L
L
L
H
H
X
X Immaterial
Z High Impedance
Outputs
(Pins 3, 5, 7, 9)
L
H
Z
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