MOTOROLA CMOS LOGIC DATA
413
MC14518B MC14520B
Figure 4. Decade Counter (MC14518B) Logic Diagram
(1/2 of Device Shown)
D
C
R
Q
Q
D
C
R
Q
Q
D
C
R
Q
Q
D
C
R
Q
Q
Q0 Q1 Q2 Q3
RESET
ENABLE
CLOCK
Figure 5. Binary Counter (MC14520B) Logic Diagram
(1/2 of Device Shown)
D
C
R
Q
Q
D
C
R
Q
Q
D
C
R
Q
Q
D
C
R
Q
Q
Q0 Q1 Q2 Q3
RESET
ENABLE
CLOCK
