Philips Semiconductors

Product specification

74ALVT16952

2.5V/3.3V 16-bit registered transceiver (3-State)

1998 Mar 19

3

PIN CONFIGURATION

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

1OEAB

1CPAB

1CEAB

GND

1A0

1A1

1A2

1A3

1A4

GND

1A5

1A6

1A7

2A0

2A2

GND

2A3

VCC

2A1

2A4

2A5

2A6

VCC

1OEBA

1CPBA

1CEBA

GND

1B0

1B1

1B2

1B3

1B4

GND

1B5

1B6

1B7

2B0

2B2

GND

2B3

VCC

2B1

2B4

2B5

2B6

2B7

VCC

2A7

25

26

27

28

32

31

30

29

GND

2CPAB

2CEAB

GND

2CPBA

2OEBA

2CEBA

2OEAB

SH00070

LOGIC SYMBOL

1A0 1A1 1A2 1A3 1A4 1A5 1A6 1A7

2

3

1CPAB

1CEAB

55

54

1CPBA

1CEBA

5689

10

12

13

14

1B0 1B1 1B2 1B3 1B4 1B5 1B6 1B7

52

51

49

48

47

45

44

43

2A0 2A1 2A2 2A3 2A4 2A5 2A6 2A7

27

26

2CPAB

2CEAB

30

31

2CPBA

2CEBA

15

16

17

19

20

21

23

24

2B0 2B1 2B2 2B3 2B4 2B5 2B6 2B7

42

41

40

38

37

36

34

33

56

1OEBA

1

1OEAB

29

2OEBA

28

2OEAB

SH00071

PIN DESCRIPTION

PIN NUMBER

SYMBOL

NAME AND FUNCTION

2, 55

27, 30

1CPAB / 1CPBA

2CPAB / 2CPBA

Clock input A to B / Clock input B to A

3, 54,

26, 31

1CEAB / 1CEBA

2CEAB / 2CEBA

Clock enable input A to B / Clock enable input B to A

5, 6, 8, 9, 10, 12, 13, 14, 15,

16, 17, 19, 20, 21, 23, 24

1A0 – 1A7

2A0 – 2A7

Data inputs/outputs (A side)

52, 51, 49, 48, 47, 45, 44, 43

42, 41, 40, 38, 37, 36, 34, 33

1B0 – 1B7

2B0 – 2B7

Data inputs/outputs (B side)

1, 56

28, 29

1OEAB / 1OEBA

2OEAB / 2OEBA

Output enable inputs

4, 11, 18, 25, 32, 39, 46, 53

GND

Ground (0V)

7, 22, 35, 50

Positive supply voltage