54ACTQ541 Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs
September 1998
54ACTQ541
Quiet Series Octal Buffer/Line Driver with TRI-STATE
廬
Outputs
General Description
The 鈥橝CTQ541 is an octal buffer and line driver with
TRI-STATE outputs designed to be employed as a memory
and address driver, clock driver, or bus-oriented transmitter/
receiver.
The 鈥橝CTQ541 is similar to the 鈥橝CTQ244 while providing
flow-through architecture (inputs on opposite sides from out-
puts). This pinout arrangement makes this device especially
useful as an output port for microprocessors, allowing ease
of layout and greater PC board density.
The 鈥橝CTQ541 utilizes NSC Quiet Series technology to
guarantee quiet output switching and improved dynamic
threshold performance. FACT Quiet Series
鈩?/div>
features
GTO
鈩?/div>
output control and undershoot corrector in addition to
a split ground bus for superior ACMOS performance.
Features
n
Non-inverting buffers
n
Guaranteed simultaneous switching noise level and
dynamic threshold performance
n
Flow-through pinout for ease of PC board layout
n
Non-inverting TRI-STATE
鈩?/div>
outputs
n
TTL compatible inputs
n
CMOS power consumption
n
Output source/sink 24 mA
n
Standard Microcircuit Drawing (SMD) 5962-9682901
Connection Diagram
Pin Assignment
DIP and Cerpack
Pin Names
OE
1
, OE
2
I
0
鈥揑
7
O
0
鈥揙
7
Inputs
Outputs
Description
Output Enable Input (Active Low)
Truth Table
Inputs
OE
1
L
H
X
DS100983-1
Outputs
I
H
X
X
L
ACTQ541
H
Z
Z
L
OE
2
L
X
H
L
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Pin Assignment
LCC
DS100983-30
GTO
鈩?/div>
is a trademark of National Semiconductor Corporation.
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
FACT
鈩?/div>
and FACT Quiet Series
鈩?/div>
are trademarks of Fairchild Semiconductor Corporation.
漏 1998 National Semiconductor Corporation
DS100983
www.national.com
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