SN54HC42, SN74HC42

4-LINE TO 10-LINE DECODERS (1 of 10)

SCLS091B – DECEMBER 1982 – REVISED MAY 1997

2

POST OFFICE BOX 655303

1

15

A

2

14

B

4

13

C

8

12

D

BCD/DEC

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

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

2

3

2

3

4

3

4

5

4

5

6

5

6

7

6

7

9

7

8

10

8

9

11

9

0

1

0

1

2

1

logic diagram (positive logic)

0

1

2

3

4

5

6

7

8

9

A

B

C

D

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

15

14

13

12

1

2

3

4

5

6

7

9

10

11