54AC374 • 54ACT374
Octal D Flip-Flop with TRI-STATE
®
Outputs
General Description
The ’AC/’ACT374 is a high-speed, low-power octal D-type
flip-flop featuring separate D-type inputs for each flip-flop
and TRI-STATE outputs for bus-oriented applications. A buff-
ered Clock (CP) and Output Enable (OE) are common to all
flip-flops.
Features
n I
CC
and I
OZ
reduced by 50%
n Buffered positive edge-triggered clock
n TRI-STATE outputs for bus-oriented applications
n Outputs source/sink 24 mA
n See ’273 for reset version
n See ’377 for clock enable version
n See ’373 for transparent latch version
n See ’574 for broadside pinout version
n See ’564 for broadside pinout version with inverted
outputs
n ’ACT374 has TTL-compatible inputs
n Standard Military Drawing (SMD)
— ’AC374: 5962-87694
— ’ACT374: 5962-87631
Logic Symbols
Pin
Names
Description
D
0
–D
7
Data Inputs
CP Clock Pulse Input
OE TRI-STATE Output Enable Input
O
0
–O
7
TRI-STATE Outputs
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
FACT
®
is a registered trademark of Fairchild Semiconductor Corporation.
DS100289-1
IEEE/IEC
DS100289-2
August 1998
54AC374
•
54ACT374
Octal
D
Flip-Flop
with
TRI-ST
A
T
E
Outputs
© 1998 National Semiconductor Corporation DS100289 www.national.com