TL/F/9800
74AC843
#
74ACT843
9-Bit
Transparent
Latch
April 1993
74AC843 # 74ACT843
9-Bit Transparent Latch
General Description
The ’AC/’ACT843 bus interface latch is designed to elimi-
nate the extra packages required to buffer existing latches
and provide extra data width for wider address/data paths.
The ’AC/’ACT843 is functionally and pin compatible with
AMD’s Am29843.
Features
Y
’ACT843 has TTL-compatible inputs
Y
TRI-STATE outputs for bus interfacing
Logic Symbols Connection Diagram
TL/F/9800–1
IEEE/IEC
TL/F/9800–3
Pin Names Description
D
0
–D
8
Data Inputs
O
0
–O
8
Data Outputs
OE Output Enable
LE Latch Enable
CLR Clear
PRE Preset
Pin Assignment
for DIP and SOIC
TL/F/9800–2
TRI-STATE is a registered trademark of National Semiconductor Corporation
FACTTM is a trademark of National Semiconductor Corporation
C
1995 National Semiconductor Corporation RRD-B30M75/Printed in U. S. A.