August 1998
54ABT543
Octal Registered Transceiver with TRI-STATE® Outputs
n Bidirectional data path
n A and B outputs have current sourcing capability of 24
General Description
The ’ABT543 octal transceiver contains two sets of D-type
mA and current sinking capability of 48 mA
latches for temporary storage of data flowing in either direc-
n Separate controls for data flow in each direction
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 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
n Back-to-back registers for storage
Features
Ordering Code:
Military
Package
Number
J24A
Package Description
54ABT543J-QML
54ABT543W-QML
54ABT543E-QML
24-Lead Ceramic Dual-In-Line
W24C
24-Lead Cerpack
E28A
28-Lead Ceramic Leadless Chip Carrier, Type C
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
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