MC74HC4020A ON Semiconductor, MC74HC4020A Datasheet - Page 6

• Manufacturer Part Number: MC74HC4020A
• Description: 14-Stage Binary Ripple Counter High-Performance Silicon-Gate CMOS
• Manufacturer: ON Semiconductor

Reset
Clock
Qn+1
10
11
Qn
50%
t
PLH
50%
Figure 5.
Q6 = Pin 4
Q7 = Pin 6
Q8 = Pin 13
C
C
R
Q
Q
Q1
t
SWITCHING WAVEFORMS (continued)
PHL
9
Figure 7. Expanded Logic Diagram
C
C
R
Q
Q
http://onsemi.com
MC74HC4020A
Q4
V
GND
CC
7
Q9 = Pin 12
Q10 = Pin 14
Q11 = Pin 15
6
C
C
Q
Q
Q5
5
*Includes all probe and jig capacitance
C
C
Q
Q
Figure 6. Test Circuit
DEVICE
UNDER
TEST
Q12
1
V
GND = Pin 8
C
C
CC
OUTPUT
= Pin 16
Q
Q
Q13
POINT
TEST
2
C
L
*
C
C
Q
Q14
3