74ACT164 Serial-In Parallel-Out Shift Register
November 1993
74ACT164
Serial-In Parallel-Out Shift Register
General Description
The 74ACT164 is a high-speed 8-bit serial-in parallel-out
shift register Serial data is entered through a 2-input AND
gate synchronous with the Low-to-High transition of the
clock The device features an asynchronous Master Reset
which clears the register setting all outputs Low indepen-
dent of the clock
Features
Y
Y
Outputs source sink 24 mA
鈥橝CT has TTL-compatible inputs
Logic Symbol
Connection Diagram
Pin Assignment
for SOIC
TL F 11553 鈥?1
Pin Names
A B
CP
MR
Q
0
鈥換
7
Description
Data Inputs
Clock Pulse Input (Active Rising Edge)
Master Reset Input (Active Low)
Outputs
TL F 11553 鈥?2
FACT
TM
is a trademark of National Semiconductor Corporation
C
1995 National Semiconductor Corporation
TL F 11553
RRD-B30M75 Printed in U S A