54ACT16827, 74ACT16827

20-BIT BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SCAS163A – JUNE 1990 – REVISED APRIL 1996

2

POST OFFICE BOX 655303

2OE1

1OE2

1OE1

EN2

EN1

&

55

1A1

54

1A2

52

1A3

51

1A4

49

1A5

1

1Y1

2

1Y2

3

1Y3

5

1Y4

6

1Y5

8

56

28

29

&

48

1A6

47

1A7

45

1A8

44

1A9

43

1A10

1Y6

9

1Y7

10

1Y8

12

1Y9

13

1Y10

14

11

42

2A1

41

2A2

40

2A3

38

2A4

37

2A5

2Y1

15

2Y2

16

2Y3

17

2Y4

19

2Y5

20

36

2A6

34

2A7

33

2A8

31

2A9

30

2A10

2Y6

21

2Y7

23

2Y8

24

2Y9

26

2Y10

27

12

2OE2

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

logic diagram (positive logic)

1Y1

2

1

55

1OE1

1OE2

56

2Y1

15

28

42

29

2OE1

2OE2

To Nine Other Channels

To Nine Other Channels

1A1

2A1