54ACT16648, 74ACT16648

16BIT TRANSCEIVERS AND REGISTERS

WITH 3STATE OUTPUTS

SCAS188A − MAY 1991 − REVISED APRIL 1996

4

POST OFFICE BOX 655303

POST OFFICE BOX 1443

C4

G10

29

G14

26

2SAB

5

1A1

1A2

6

1A3

8

1A4

9

1A5

10

1A6

12

1A7

13

1A8

14

1B6

45

1B7

44

1B8

43

1B2

51

1B3

49

1B4

48

1B5

47

1B1

52

4D

27

2CLKAB

G12

31

2SBA

30

2CLKBA

10 EN8 [BA]

28

2DIR

G3

56

G7

3

1SAB

2

1CLKAB

G5

54

1SBA

55

1CLKBA

3 EN1 [BA]

1

1DIR

C6

C11

C13

15

2A1

2A2

16

2A3

17

2A4

19

2A5

20

2A6

21

2A7

23

2A8

24

2B6

36

2B7

34

2B8

33

2B2

41

2B3

40

2B4

38

2B5

37

2B1

42

11D

1OE

2OE

6D

1

≥ 1

≥ 1

2

17

7

5

5

1

13D

8

≥ 1

≥ 1

9

114

14

12

12

1

3 EN2 [AB]

10 EN9 [AB]

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