SN74AS4374B

OCTAL EDGE-TRIGGERED D-TYPE DUAL-RANK FLIP-FLOP

WITH 3-STATE OUTPUTS

SDAS109D – APRIL 1989 – REVISED JANUARY 1995

2

POST OFFICE BOX 655303

logic diagram (positive logic)

1D

CLK

1Q

1

11

20

10

1D

C1

OE

OE

EN

10

11

CLK

1D

20

1D

19

2D

18

3D

17

4D

5Q

6

6Q

7

7Q

8

8Q

9

15

5D

14

6D

13

7D

12

8D

1Q

1

2Q

2

3Q

3

4Q

4

C1

To Seven Other Channels

1D

1D

C1

† This symbol is in accordance with ANSI/IEEE Std 91-1984

and IEC Publication 617-12.

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

recommended operating conditions

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

IOH

High-level output current

–15

mA

IOL

Low-level output current

48

mA

TA

Operating free-air temperature

0

70

°C