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54ACTQ16540 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54ACTQ16540
Description  16-Bit Inverting Buffer/Line Driver with TRI-STATE Outputs
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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54ACTQ16540 Datasheet(HTML) 2 Page - National Semiconductor (TI)

   
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Functional Description
The ’ACTQ16540 contains sixteen inverting buffers with
TRI-STATE standard outputs. The device is byte controlled
with each byte functioning identically, but independent of the
other. The control pins may be shorted together to obtain full
16-bit operation. The TRI-STATE outputs are controlled by
an Output Enable (OE
n) input for each byte. When OEn is
LOW, the outputs are in 2-state mode. When OE
n is HIGH,
the outputs are in the high impedance mode, but this does
not interfere with entering new data into the inputs.
Logic Diagram
Truth Table
Inputs
Outputs
OE
1
OE
2
I
0–I7
O
0–O7
LL
H
L
HX
X
Z
XH
X
Z
LL
L
H
Inputs
Outputs
OE
3
OE
4
I
8–I15
O
8–O15
LL
H
L
HX
X
Z
XH
X
Z
LL
L
H
H = High Voltage Level
L = Low Voltage Level
X = Immaterial
Z = High Impedance
DS010927-3
www.national.com
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