Inputs/Output

Inputs

Output

PRN

CLRN

CLK

D

Q

L

H

X

X

H

H

L

X

X

L

L

L

X

X

L

H

H

L

L

H

H

H

H

H

H

L

X

Qo*

H

H

H

X

Qo

* Qo = level of Q before clock pulse

All flipflops are positive-edge-triggered.