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74AC16244 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. 74AC16244
Description  16-Bit Buffer/Line Driver with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74AC16244 Datasheet(HTML) 2 Page - Fairchild Semiconductor

   
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Functional Description
The AC16244 and ACT16244 contain sixteen non-inverting
buffers with 3-STATE standard outputs. The device is nib-
ble (4 bits) controlled with each nibble functioning identi-
cally, but independent of the other. The control pins can be
shorted together to obtain full 16-bit operation. The
3-STATE outputs 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.
Truth Tables
L
LOW Voltage Level
H
HIGH Voltage Level
X
Immaterial
Z
High Impedance
Logic Diagram
Inputs
Outputs
OE1
I0–I3
O0–O3
LL
L
LH
H
HX
Z
Inputs
Outputs
OE2
I4–I7
O4–O7
LL
L
LH
H
HX
Z
Inputs
Outputs
OE3
I8–I11
O8–O11
LL
L
LH
H
HX
Z
Inputs
Outputs
OE4
I12–I15
O12–O15
LL
L
LH
H
HX
Z


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