54ACT16640, 74ACT16640

16-BIT BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCAS173A - JULY 1990 - REVISED APRIL 1996

2

POST OFFICE BOX 655303

1A2

46

1A3

44

1A4

43

1A5

41

1A6

40

1A7

38

1A8

37

2A2

35

2A3

33

2A4

32

2A5

30

2A6

29

2A7

27

2A8

26

1OE

1A1

47

1B1

2

1B6

9

1B7

11

1B8

12

1B2

3

1B3

5

1B4

6

1B5

8

1

2

2A1

36

2B1

13

2B6

20

2B7

22

2B8

23

2B2

14

2B3

16

2B4

17

2B5

19

4

5

1

1

1

1

G3

48

3 EN2 [AB]

3 EN1 [BA]

1

1DIR

G6

25

6 EN5 [AB]

6 EN4 [BA]

24

2DIR

2OE

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

logic diagram (positive logic)

1OE

1DIR

1A1

1B1

2

47

1

48

To Seven Other Channels

2OE

2DIR

2A1

2B1

13

36

24

25

To Seven Other Channels