August 1998
54AC240 • 54ACT240
Octal Buffer/Line Driver with TRI-STATE® Outputs
n Inverting TRI-STATE outputs drive bus lines or buffer
memory address registers
n Outputs source/sink 24 mA
n ’ACT240 has TTL-compatible inputs
n Standard Microcircuit Drawing (SMD)
— ’AC240: 5962-87550
General Description
The ’AC/’ACT240 is an octal buffer and line driver designed
to be employed as a memory address driver, clock driver and
bus oriented transmitter or receiver which provides improved
PC board density.
— ’ACT240: 5962-87759
Features
n ICC and IOZ reduced by 50%
Logic Symbol
Connection Diagrams
IEEE/IEC
Pin Assignment
for DIP and Flatpak
DS100280-2
Pin Assignment
for LCC
DS100280-1
Pin Names
OE1, OE2
I0–I7
Description
TRI-STATE Output Enable Inputs
Inputs
O0–O7
Outputs
DS100280-3
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation
DS100280
www.national.com
NSC [ National Semiconductor ]
