SN74ALS841, SN74AS841A, SN74ALS842

10-BIT BUS-INTERFACE D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SDAS059C – DECEMBER 1983 – REVISED JANUARY 1995

2

POST OFFICE BOX 655303

Function Tables

SN74ALS841, SN74AS841A

INPUTS

OUTPUT

OE

LE

D

Q

L

H

H

H

L

HL

L

L

LX

Q0

H

X

X

Z

SN74ALS842

INPUTS

OUTPUT

OE

LE

D

Q

L

H

H

L

L

HL

H

L

LX

Q0

H

X

X

Z

EN

1

7

6D

8

7D

9

8D

10

9D

1D

2

1D

6Q

18

7Q

17

8Q

16

9Q

15

1Q

23

3

2D

4

3D

5

4D

6

5D

2Q

22

3Q

21

4Q

20

5Q

19

OE

C1

13

LE

11

10D

10Q

14

SN74ALS841, SN74AS841A

EN

1

7

8

9

10

1D

2

6Q

18

7Q

17

8Q

16

9Q

15

1Q

23

3

4

5

6

2Q

22

3Q

21

4Q

20

5Q

19

OE

C1

13

LE

11

10Q

14

SN74ALS842

1D

2D

3D

4D

5D

6D

7D

8D

9D

10D

† These symbols are in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.