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| 74F540_00 Datasheet, PDF (2/7 Pages) Fairchild Semiconductor – Octal Buffer/Line Driver with 3-STATE Outputs | |||
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Unit Loading/Fan Out
Pin Names
Description
U.L.
HIGH/LOW
Input IIH/IIL
Output IOH/IOL
OE1, OE2
In
On, On
3-STATE Output Enable Input (Active LOW)
Inputs
Outputs
1.0/1.0
20 µA/â0.6 mA
1.0/1.0
20 µA/â0.6 mA
600/106.6 (80) â12 mA/64 mA (48 mA)
Truth Table
OE1
L
H
X
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Inputs
OE2
L
X
H
L
Outputs
I
74F540
74F541
H
L
H
X
Z
Z
X
Z
Z
L
H
L
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