July 1998
54ABT240
Octal Buffer/Line Driver with TRI-STATE® Outputs
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 Microcircuit Drawing (SMD) — 5962-9318801
General Description
The ’ABT240 is an inverting octal buffer and line driver de-
signed to be employed as a memory address driver, clock
driver and bus oriented transmitter or receiver which pro-
vides improved PC board density.
Features
n Output sink capability of 48 mA, source capability of
24 mA
Ordering Code
Package
Military
Package Description
Number
54ABT240J-QML
54ABT240W-QML
54ABT240E-QML
J20A
W20A
E20A
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
Connection Diagrams
Pin Assignment
for DIP and Flatpak
Pin Assignment
for LCC
DS100202-2
DS100202-1
Pin Names
Description
TRI-STATE Output
Enable Inputs
Inputs
OE1, OE2
I0–I7
O0–O7
Outputs
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation
DS100202
www.national.com
NSC [ National Semiconductor ]
