U74HC74

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 5

www.unisonic.com.tw

QW-R502-385.A

PIN CONFIGURATION

1

2

3

4

5

6

7

14

13

12

11

10

9

8

GND

1Q

1Q

1S

1CP

1D

1R

2Q

2Q

2S

2CP

2D

2R

INPUT

OUTPUT

SET

RESET

CP

D

Q

Q

L

H

×

×

H

L

H

L

×

×

L

H

H

H

↑

H

H

L

H

H

↑

L

L

H

H

H

L

×

Q0

Q0

L

L

×

×

H (note)

H (note)

Note: Unstable state, it will not persist when set and reset inputs return to their inactive level.

FUNCTIONAL DIAGRAM

Logic Diagram

TG

TG

TG

TG

C

C

C

C

C

C

C

C

Q

Q

S

CP

D

R

C

C

IEC logic symbol