TL/F/9894
54ACT/74ACT823
9-Bit
D
Flip-Flop
March 1993
54ACT/74ACT823
9-Bit D Flip-Flop
General Description
The ’ACT823 is a 9-bit buffered register. It features Clock
Enable and Clear which are ideal for parity bus interfacing in
high performance microprogramming systems. The
’ACT823 offers noninverting outputs and is fully compatible
with AMD’s Am29823.
Features
Y
Outputs source/sink 24 mA
Y
TRI-STATE outputs for bus interfacing
Y
Inputs and outputs are on opposite sides
Y
’ACT823 has TTL-compatible inputs
Logic Symbols Connection Diagrams
TL/F/9894–1
IEEE/IEC
TL/F/9894–2
Pin Assignment
for DIP, Flatpak and SOIC
TL/F/9894–3
Pin Assignment
for LCC
TL/F/9894–4
Pin Names Description
D
0
–D
8
Data Inputs
O
0
–O
8
Data Outputs
OE Output Enable
CLR Clear
CP Clock Input
EN Clock Enable
FACTTM is a trademark of National Semiconductor Corporation.
TRI-STATE is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation RRD-B30M75/Printed in U. S. A.