54ACT16825, 74ACT16825

18-BIT BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SCAS155B – JANUARY 1991 – REVISED APRIL 1996

2

POST OFFICE BOX 655303

55

1A1

1Y1

2

54

1A2

1Y2

3

52

1A3

1Y3

5

51

1A4

1Y4

6

49

1A5

1Y5

8

48

1A6

1Y6

9

47

1A7

1Y7

10

45

1A8

1Y8

12

44

1A9

1Y9

13

1

41

2A1

2Y1

16

40

2A2

2Y2

17

38

2A2

2Y3

19

37

2A3

2Y4

20

36

2A4

2Y5

21

34

2A5

2Y6

23

33

2A6

2Y7

24

31

2A7

2Y8

26

30

2A8

2Y9

27

2

1

56

28

29

1OE1

1OE2

2OE1

2OE2

&

&

EN1

EN2

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

logic diagram (positive logic)

1Y1

2

1

55

56

To Eight Other Channels

2Y1

16

28

41

29

To Eight Other Channels

2OE1

2OE2

2A1

1OE1

1OE2

1A1