Datasheet

2
Functional Diagram
TRUTH TABLE
OPERATING MODE
INPUTS OUTPUTS
MR CP DS1 DS2 Q
0
Q
1
- Q
7
RESET (CLEAR) L X X X L L - L
Shift H ↑ llL q
0 -
q
6
H ↑ lhL q
0 -
q
6
H ↑ hlL q
0 -
q
6
H ↑ hhH q
0 -
q
6
H= High Voltage Level.
h= High Voltage Level One Set-up Time Prior To The Low-to-high Clock Transition.
l= Low Voltage Level One Set-up Time Prior To The Low-to-high Clock Transition.
L= Low Voltage Level.
X= Don’t Care.
↑= Transition from Low to High Level.
q
n
= Lower Case Letters Indicate The State Of the Reference Input Clock Transition.
3
4
5
6
11
13
12
10
1
DS1
Q
0
Q
1
Q
2
Q
3
Q
4
Q
5
Q
6
Q
7
CP
MR
98
2
DS2
GND = 7
V
CC
= 14
CD54HC164, CD74HC164, CD54HCT164, CD74HCT164