SN74F543

OCTAL REGISTERED TRANSCEIVER

WITH 3-STATE OUTPUTS

SDFS025B – D2942, MARCH 1987 – REVISED OCTOBER 1993

2–2

POST OFFICE BOX 655303

4

2C6

14

3

A1

4

A2

B1

22

5D

5

A3

6

A4

7

A5

8

A6

9

A7

10

A8

B2

21

B3

20

B5

18

B4

19

B6

17

B8

15

B7

16

LEAB

3

G2

11

CEAB

2EN4

13

OEAB

1C5

1

LEBA

G1

23

CEBA

1EN3

2

OEBA

6D

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

logic diagram (positive logic)

OEBA

CEBA

LEBA

OEAB

CEAB

LEAB

A1

B1

C1

1D

C1

1D

2

23

1

13

11

14

3

22

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