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74ACTQ16240SSC View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
74ACTQ16240SSC
Fairchild
Fairchild Semiconductor Fairchild
74ACTQ16240SSC Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
Truth Tables
Inputs
OE1
I0–I3
L
L
L
H
H
X
Inputs
OE2
I4–I7
L
L
L
H
H
X
Inputs
OE3
I8–I11
L
L
L
H
H
X
Inputs
OE4
I12–I15
L
L
L
H
H
X
H = High Voltage Level
L = Low Voltage Level
X = Immaterial
Z = High Impedance
Outputs
O0–O3
H
L
Z
Outputs
O4–O7
H
L
Z
Outputs
O8–O11
H
L
Z
Outputs
O12–O15
H
L
Z
Functional Description
The ACTQ16240 contains sixteen inverting buffers with 3-
STATE standard outputs. The device is nibble (4 bits) con-
trolled with each nibble functioning identically, but indepen-
dently of the other. The control pins may be shorted
together to obtain full 16-bit operation. The 3-STATE out-
puts are controlled by an Output Enable (OEn) input for
each nibble. When OEn is LOW, the outputs are in 2-state
mode. When OEn is HIGH, the outputs are in the high
impedance mode, but this does not interfere with entering
new data into the inputs.
Logic Diagram
www.fairchildsemi.com
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