MC74LCX16373DTG Ver la hoja de datos (PDF) - ON Semiconductor

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MC74LCX16373DTG

Low−Voltage CMOS 16−Bit Transparent Latch

ON Semiconductor 

OE1 1

O0 2

O1 3

GND 4

O2 5

O3 6

VCC 7

O4 8

O5 9

GND 10

O6 11

O7 12

O8 13

O9 14

GND 15

O10 16

O11 17

VCC 18

O12 19

O13 20

GND 21

O14 22

O15 23

OE2 24

48 LE1

47 D0

46 D1

45 GN-

44 DD2

43 D3

42 VCC

41 D4

40 D5

39 GN-

38 DD6

37 D7

36 D8

35 D9

34 GN-

33 DD10

32 D11

31 VCC

30 D12

29 D13

28 GN-

27 DD14

26 D15

25 LE2

Figure 1. Pinout: 48−Lead

(Top View)

MC74LCX16373

1

OE1

48

LE1

47

D0

nLE

Q

D

2

O0

24

OE2

25

LE2

36

D8

nLE

Q

D

46

D1

nLE

Q

D

3

O1

35

D9

nLE

Q

D

44

D2

nLE

Q

D

5

O2

33

D10

nLE

Q

D

43

D3

nLE

Q

D

6

O3

32

D11

nLE

Q

D

41

D4

nLE

Q

D

8

O4

30

D12

nLE

Q

D

40

D5

nLE

Q

D

9

O5

29

D13

nLE

Q

D

38

D6

nLE

Q

D

11

O6

27

D14

nLE

Q

D

37

D7

nLE

Q

D

12

O7

26

D15

nLE

Q

D

Figure 2. Logic Diagram

13

O8

14

O9

16

O10

17

O11

19

O12

20

O13

22

O14

23

O15

Table 1. PIN NAMES

Pins

OEn

LEn

D0−D15

O0−O15

Function

Output Enable Inputs

Latch Enable Inputs

Inputs

Outputs

TRUTH TABLE

Inputs

LE1

OE1

X

H

H

L

H

L

L

L

D0:7

X

L

H

X

Outputs

O0:7

Z

L

H

O0

Inputs

LE2

OE2

D8:15

X

H

X

H

L

L

H

L

H

L

L

X

H = High Voltage Level

L = Low Voltage Level

Z = High Impedance State

X = High or Low Voltage Level and Transitions Are Acceptable; for ICC reasons, DO NOT FLOAT Inputs

Outputs

O8:15

Z

L

H

O0

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