MC74HC4040A_14 Datasheet, PDF (5/8 Pages) ON Semiconductor – 12-Stage Binary Ripple Counter

MC74HC4040A
Q1
Q2
Q3
Q10
Q11
Q12
9
7
6
14
15
1
Clock ¹⁰
Reset ¹¹
CQ
CQ
CQ
CQ
CQ
CQ
CQ
R
CQ
R
CQ
CQ
Q4 = Pin 5
Q5 = Pin 3
Q6 = Pin 2
Q7 = Pin 4
Q8 = Pin 13
Q9 = Pin 12
Figure 6. Expanded Logic Diagram
CQ
C
V_CC = Pin 16
GND = Pin 8
Clock
Reset
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
12
4
8
16
32
64 128 256 512 1024 2048 4096
Figure 7. Timing Diagram
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5