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National Semiconductor Electronic Components Datasheet

54ACT244 Datasheet

Octal Buffer/Line Driver

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August 1998
54AC244 54ACT244
Octal Buffer/Line Driver with TRI-STATE® Outputs
General Description
The ’AC/’ACT244 is an octal buffer and line driver designed
to be employed as a memory address driver, clock driver and
bus-oriented transmitter/receiver which provides improved
PC board density.
Features
n ICC and IOZ reduced by 50%
n TRI-STATE outputs drive bus lines or buffer memory
address registers
n Outputs source/sink 24 mA
n ’ACT244 has TTL-compatible inputs
n Standard Microcircuit Drawing (SMD)
— ’AC244: 5962-87552
— ’ACT244: 5962-87760
Logic Symbol
IEEE/IEC
Pin Names
OE1, OE2
I0– I7
O0– O7
Description
TRI-STATE Output Enable Inputs
Inputs
Outputs
DS100282-1
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100282
www.national.com


National Semiconductor Electronic Components Datasheet

54ACT244 Datasheet

Octal Buffer/Line Driver

No Preview Available !

Connection Diagrams
Pin Assignment for DIP
and Flatpak
DS100282-2
Pin Assignment for LCC
Truth Tables
Inputs
Outputs
OE1
L
In
L
(Pins 12, 14, 16, 18)
L
LH
H
HX
Z
H = HIGH Voltage Level
L = LOW Voltage Level
Inputs
Outputs
OE2
L
In
L
(Pins 3, 5, 7, 9)
L
LH
H
HX
Z
X = Immaterial
Z = High Impedance
DS100282-3
www.national.com
2


Part Number 54ACT244
Description Octal Buffer/Line Driver
Maker National Semiconductor
Total Page 8 Pages
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