U74AHC1G74

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 5

www.unisonic.com.tw

QW-R126-027.A



PIN CONFIGURATION

4

3

2

1

5

6

7

8

CLK

D

Q

GND

Q

PRE

CLR



INPUTS

OUTPUTS

PRE

CLR

CLK

D

Q

Q

L

H

X

X

H

L

H

L

X

X

L

H

L

L

X

X

H (Note)

H (Note)

H

H

↑

H

H

L

H

H

↑

L

L

H

H

H

L

X

Q0

Q0

Note: This configuration is nonstable; that is, it does not persist when PRE or CLR returns to its inactive (high)

level.



TG

C

C

TG

C

TG

C

TG

C

CLR

PRE

CLK

D

Q

Q

5

3

2

7

2

6

C

C

C

C

C