CD74FCT273

BiCMOS OCTAL D-TYPE FLIP-FLOP

WITH RESET

SCBS737A – JULY 2000 – REVISED JULY 2000

2

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

logic symbol†

1D

3

1D

4

2D

7

3D

R

1

1Q

2

2Q

5

3Q

6

8

4D

13

5D

14

6D

4Q

9

5Q

12

6Q

15

CLR

17

7D

18

8D

11

CLK

7Q

16

8Q

19

C1

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

logic diagram (positive logic)

CLK

1D

1Q

2D

2Q

3D

3Q

4D

4Q

5D

5Q

6D

6Q

7D

7Q

8D

8Q

CLR

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

1D

R

C1

3

4

7

8

13

14

17

18

2

5

6

9

12

15

16

19

11

1

logic diagram, each flip-flop (positive logic)

CLK(I)

R

Q

C

C

D

C

C

C

C

C

C

TG

C

C

TG

TG

TG