TL/F/9825
DM54LS273/DM74LS273
8-Bit
Register
with
Clear
April 1992
DM54LS273/DM74LS273
8-Bit Register with Clear
General Description
The ’LS273 is a high speed 8-bit register, consisting of eight
D-type flip-flops with a common Clock and an asynchronous
active LOW Master Reset. This device is supplied in a 20-
pin package featuring 0.3 inch row spacing.
Features
Y
Edge-triggered
Y
8-bit high speed register
Y
Parallel in and out
Y
Common clock and master reset
Connection Diagram
Dual-In-Line Package
TL/F/9825–1
Order Number DM54LS273E, DM54LS273J,
DM54LS273W, DM74LS273M or DM74LS273N
See NS Package Number E20A, J20A, M20B,
N20A or W20A
Pin Names Description
CP Clock Pulse Input (Active Rising Edge)
D0–D7 Data Inputs
MR Asynchronous Master Reset Input
(Active LOW)
Q0–Q7 Flip-Flop Outputs
C
1995 National Semiconductor Corporation RRD-B30M115/Printed in U. S. A.