54ABT541 Octal Buffer/Line Driver with TRI-STATE Outputs
August 1998
54ABT541
Octal Buffer/Line Driver with TRI-STATE
®
Outputs
General Description
The ’ABT541 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 ’ABT541 is similar to the ’ABT244 with broad-
side pinout.
n
Guaranteed latchup protection
n
High impedance glitch free bus loading during entire
power up and power down cycle
n
Nondestructive hot insertion capability
n
Flow-through pinout for ease of PC board layout
n
Disable time less than enable time to avoid bus
contention
n
Standard Microcircuit Drawing (SMD) 5962-9471801
Features
n
Non-inverting buffers
n
Output sink capability of 48 mA, source capability of
24 mA
Ordering Code
Military
54ABT541J-QML
54ABT541W-QML
54ABT541E-QML
Package
Number
J20A
W20A
E20A
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
Pin Names
OE
1
, OE
2
I
0
–I
7
O
0
–O
7
Inputs
Outputs
Description
Output Enable Input (Active Low)
Package Description
Connection Diagram
Pin Assignment
DIP and Cerpack
Truth Table
Inputs
OE
1
L
H
X
DS100217-1
Outputs
I
H
X
X
L
ABT541
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
DS100217-30
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation
DS100217
www.national.com
NSC [ NATIONAL SEMICONDUCTOR ]
