Philips Semiconductors

Product specification

74ALVT16260

2.5V/3.3V 12-bit to 24-bit multiplexed D-type latches

(3-State)

1998 Jan 30

3

PIN DESCRIPTION

PIN NUMBER

SYMBOL

FUNCTION

8, 9, 10, 12, 13, 14, 15, 16, 17, 19, 20, 21

An

Data inputs/outputs (A)

23, 24, 26, 31, 33, 34, 36, 37, 38, 40, 41, 42

1Bn

Data inputs/outputs (B1)

6, 5, 3, 54, 52, 51, 49, 48, 47, 45, 44, 43

2Bn

Data inputs/outputs (B2)

1, 29, 56

OEA, OE1B, OE2B

Output enable input (active low)

2, 27, 30, 55

LE1B, LE2B, LEA1B, LEA2B

Latch enable inputs

28

SEL

B1/B2 input select input

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

GND

Ground (0V)

7, 22, 35, 50

Positive supply voltage

PIN CONFIGURATION

1

2

3

4

5

6

7

8

9

10

11

12

45

46

47

48

49

50

51

52

53

54

55

56

OEA

2B3

GND

2B2

2B1

A1

A2

A3

GND

OE2B

LEA2B

2B4

GND

2B5

2B6

2B8

2B7

2B9

GND

2B10

A4

13

14

15

16

17

18

39

40

41

42

43

44

A5

A6

A7

A8

A9

2B11

1B12

2B12

1B11

1B10

GND

19

38

GND

A10

20

21

22

23

24

25

32

33

34

35

36

37

A11

A12

1B1

1B2

1B9

1B8

1B6

1B5

GND

GND

26

31 1B4

1B3

27

30 LEA1B

LE2B

28

29

SEL

OE1B

LE1B

1B7

SA00435

FUNCTION TABLES

B to A (OEB = H)

INPUTS

OUTPUT

1B

2B

SEL

LE1B

LE2B

OEA

A

H

X

H

H

X

L

H

L

X

H

H

X

L

L

X

X

H

L

X

L

A0

X

H

L

X

H

L

H

X

L

L

X

H

L

L

X

X

L

X

L

L

A0

X

X

X

X

X

H

Z

A to B (OEA = H)

INPUTS

OUTPUT

A

LEA1B

LEA2B

OE1B

OE2B

1B

2B

H

H

H

L

L

H

H

L

H

H

L

L

L

L

H

H

L

L

L

H

2B0

L

H

L

L

L

L

2B0

H

L

H

L

L

1B0

H

L

L

H

L

L

1B0

L

X

L

L

L

L

1B0

2B0

X

X

X

H

H

Z

Z

X

X

X

L

H

Active

Z

X

X

X

H

L

Z

Active

X

X

X

L

L

Active

Active