MC74HC4020A_10 データシートの表示（PDF） - ON Semiconductor

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MC74HC4020A_10

14-Stage Binary Ripple Counter

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MC74HC4020A

SWITCHING WAVEFORMS (continued)

Qn

50%

tPLH

VCC

GND

tPHL

Qn+1

50%

Figure 5.

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 6. Test Circuit

Q1

Q4

Q5

Q12

Q13

Q14

9

7

5

1

2

3

Clock 10

Reset 11

CQ

CQ

CQ

CQ

CQ

CQ

CQ

R

CQ

R

CQ

CQ

Q6 = Pin 4

Q7 = Pin 6

Q8 = Pin 13

Q9 = Pin 12

Q10 = Pin 14

Q11 = Pin 15

Figure 7. Expanded Logic Diagram

CQ

C

VCC = Pin 16

GND = Pin 8

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