2

Functional Diagram

TRUTH TABLE

INPUTS

OUTPUTS

CP

D

R

↑

lL

L

↑

hL

H

↓

XL

X

X

H

L

LLL

H = High Voltage Level

h = High Voltage Level One Set-up Time Prior to the Low to High Clock Transition

L = Low Voltage Level

l = Low Voltage Level One Set-up Time Prior to the Low to High Clock Transition

X = Don’t Care.

↑ = Low to High Clock Transition

↓ = High to Low Clock Transition

High clock transition.

7

6

1MR

1D

1CP

GND = 8

3

10

4

5

9

15

14

2MR

2D

2CP

11

2

12

13

1

CD54HC4015, CD74HC4015