54ABT543 Octal Registered Transceiver with TRI-STATE Outputs
August 1998
54ABT543
Octal Registered Transceiver with TRI-STATE
®
Outputs
General Description
The ’ABT543 octal transceiver contains two sets of D-type
latches for temporary storage of data flowing in either direc-
tion. Separate Latch Enable and Output Enable inputs are
provided for each register to permit independent control of
inputting and outputting in either direction of data flow.
n
Bidirectional data path
n
A and B outputs have current sourcing capability of 24
mA and current sinking capability of 48 mA
n
Separate controls for data flow in each direction
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
Standard Military Drawing (SMD) 5962-9231401
Features
n
Back-to-back registers for storage
Ordering Code:
Military
54ABT543J-QML
54ABT543W-QML
54ABT543E-QML
Package
Number
J24A
W24C
E28A
24-Lead Ceramic Dual-In-Line
24-Lead Cerpack
28-Lead Ceramic Leadless Chip Carrier, Type C
Package Description
Connection Diagrams
Pin Assignment for
DIP and Flatpak
Pin Assignment
for LCC
DS100218-2
DS100218-1
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation
DS100218
www.national.com
NSC [ NATIONAL SEMICONDUCTOR ]
