SN54ALS253, SN74ALS253, SN74AS253A

DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS

WITH 3-STATE OUTPUTS

SDAS216A – APRIL 1982 – REVISED DECEMBER 1994

2

POST OFFICE BOX 655303

G

MUX

0

3

0

14

A

1

2

B

EN

1

15

1Y

7

0

6

1C0

1

5

1C1

2

4

1C2

3

3

1C3

10

2C0

11

2C1

12

2C2

13

2C3

2Y

9

1OE

2OE

† 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)

Data 2

Select

Data 1

2OE

2C3

2C2

2C1

2C0

A

B

1C3

1C2

1C1

1C0

1OE

1Y

1

6

5

4

3

2

14

10

11

12

13

15

7

2Y

9

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