Motorola CMOS Logic Manual page 334

RESET
ENABLE
CLOCK
RESET
ENABLE
CLOCK
MC14518B MC14520B
6–296
Q0
D Q
Q
C
R
Figure 4. Decade Counter (MC14518B) Logic Diagram
(1/2 of Device Shown)
Q0
D Q
Q
C
R
Figure 5. Binary Counter (MC14520B) Logic Diagram
(1/2 of Device Shown)
Q1 Q2
D Q D Q
Q Q
C C
R R
Q1 Q2
D Q D Q
Q Q
C C
R R
MOTOROLA CMOS LOGIC DATA
Q3
D Q
Q
C
R
Q3
D Q
Q
C
R