SN54ALS112A, SN74ALS112A

DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOPS

WITH CLEAR AND PRESET

SDAS199A – APRIL 1982 – REVISED DECEMBER 1994

2

POST OFFICE BOX 655303

S

4

1J

3

1J

1K

2

1K

R

15

1Q

5

6

C1

1PRE

1CLR

1Q

1

1CLK

10

11

2J

12

2K

14

2Q

9

7

2PRE

2CLR

2Q

13

2CLK

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

Pin numbers shown are for the D, J, and N packages.

logic diagram (positive logic)

PRE

CLK

K

Q

Q

CLR

J

7 V

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

7 V

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

– 55

°C to 125°C

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

SN74ALS112A

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.