INPUTS

OUTPUTS

/SD

/CD

CP

D

Q

/Q

L

H

X

X

H

L

H

L

X

X

L

H

L

L

X

X

H (1)

H (1)

H

H

Rise clock edge

H

H

L

H

H

Rise clock edge

L

L

H

H

H

L

X

Q0

/Q0

1. This configuration is unstable; that is, it does not persist when either SD or CD returns to its inactive (high) level.

H = High voltage level.

L = Low voltage level.

X = Don’t care.

Q0 (or /Q0) = Previous Q (or /Q) before low to high transition of clock.

* = This configuration is unstable; that is, it does not persist when either SD or CD returns to its inactive (high)

level.

LEOAC74

Functional description

DS13861 - Rev 2

page 3/19