74HC/HCT164 Philips Semiconductors (Acquired by NXP), 74HC/HCT164 Datasheet - Page 4

• Manufacturer Part Number: 74HC/HCT164
• Description: 8-bit Serial-in/parallel-out Shift Register
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
APPLICATIONS
FUNCTION TABLE
Note
1. H = HIGH voltage level
December 1990
reset (clear)
shift
Serial data transfer
8-bit serial-in/parallel-out shift register
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition
q = lower case letters indicate the state of the referenced input one set-up time prior to the
OPERATING MODES
= LOW-to-HIGH clock transition
LOW-to-HIGH clock transition
L
H
H
H
H
MR
Fig.4 Functional diagram.
X
Fig.5 Logic diagram.
CP
INPUTS
4
X
l
l
h
h
D
sa
X
l
h
l
h
D
sb
L
L
L
L
H
Q
0
74HC/HCT164
OUTPUTS
Q
L
q
q
q
q
0
0
0
0
1
Product specification
L
Q
q
q
q
q
6
6
6
6
7