Motorola CMOS Logic Manual page 498

< 1.0 M*
60 Hz
> 1500 pF*
5/ 6 Control not shown = V SS
Reset pins not shown = V SS
* Care must be taken in the indicated circuit to filter line
transients which may cause "false" counting.
MC14566B
6–460
APPLICATION — 12 HOUR CLOCK
5/ 6 10
Q0
Q0
C
Q1
C
Q1
Q2
Q2 Q3
10 5/ 6
Q0
Q0
C
Q1
C
Q1
Q2
Q3
Q2
SECONDS
10 5/ 6
Q0
Q0
C
Q1
C
Q1
Q2
Q3 Q2
MINUTES
A
B
C
MC14011B
10 5/ 6
Q0
Q0
C
Q1
C
Q1
Q2
Q3 Q2
R R
HOURS
A
TENTH
Q m
SECONDS
B
A
Q m
B
A
Q m
B
A
Q m
B
D
MOTOROLA CMOS LOGIC DATA
V DD
+ V DD