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National Semiconductor Electronic Components Datasheet

54AC540 Datasheet

Octal Buffer/Line Driver

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July 1998
54AC540
Octal Buffer/Line Driver with TRI-STATE® Outputs
General Description
The ’AC540 is an octal buffer/line drivers designed to be em-
ployed as memory and address drivers, clock drivers and
bus oriented transmitter/receivers.
These devices are similar in function to the ’AC240 while
providing flow-through architecture (inputs on opposite side
from outputs). This pinout arrangement makes these devices
especially useful as output ports for microprocessors, allow-
ing ease of layout and greater PC board density.
Features
n ICC and IOZ reduced by 50%
n TRI-STATE inverting outputs
n Inputs and outputs opposite side of package, allowing
easier interface to microprocessors
n Output source/sink 24 mA
n Standard Military Drawing 54AC540: 5962-8769501
Logic Symbol
IEEE/IEC
Truth Table
Inputs
OE1
L
OE2
L
I
H
H XX
X HX
L LL
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Outputs
L
Z
Z
H
DS100293-1
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACTis a trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100293
www.national.com


National Semiconductor Electronic Components Datasheet

54AC540 Datasheet

Octal Buffer/Line Driver

No Preview Available !

Connection Diagrams
Pin Assignment
for DIP and Flatpak
DS100293-3
Pin Assignment for LCC
DS100293-2
www.national.com
2


Part Number 54AC540
Description Octal Buffer/Line Driver
Maker National Semiconductor
Total Page 6 Pages
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