SN54F243, SN74F243

QUADRUPLE BUS TRANSCEIVERS

WITH 3STATE OUTPUTS

SDFS086 − MARCH 1987 − REVISED OCTOBER 1993

2−2

POST OFFICE BOX 655303

POST OFFICE BOX 1443

3

A1

B1

11

EN2

1

EN1

13

OEBA

5

A3

6

A4

4

A2

B2

10

B3

9

B4

8

OEAB

1

2

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

logic diagram (positive logic)

B4

B3

B2

B1

OEBA

8

9

10

11

13

A4

A3

A2

A1

OEAB

6

5

4

3

1

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