54ACT16841, 74ACT16841

20-BIT BUS-INTERFACE D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SCAS174A – MAY 1991 – REVISED APRIL 1996

2

POST OFFICE BOX 655303

description (continued)

The 74ACT16841 is packaged in TI’s shrink small-outline package (DL), which provides twice the I/O pin count

and functionality of standard small-outline packages in the same printed-circuit-board area.

The 54ACT16841 is characterized for operation over the full military temperature range of –55

°C to 125°C. The

74ACT16841 is characterized for operation from –40

°C to 85°C.

FUNCTION TABLE

(each 10-bit latch)

INPUTS

OUTPUT

OE

LE

D

Q

L

H

H

H

L

HL

L

L

LX

Q0

H

X

X

Z

EN2

1

C1

56

1LE

1D

55

1D1

54

1D2

52

1D3

51

1D4

49

1D5

1Q1

2

1Q2

3

1Q3

5

1Q4

6

1Q5

8

48

1D6

47

1D7

45

1D8

44

1D9

43

1D10

1Q6

9

1Q7

10

1Q8

12

1Q9

13

1Q10

14

3D

42

2D1

41

2D2

40

2D3

38

2D4

37

2D5

2Q1

15

2Q2

16

2Q3

17

2Q4

19

2Q5

20

36

2D6

34

2D7

33

2D8

31

2D9

30

2D10

2Q6

21

2Q7

23

2Q8

24

2Q9

26

2Q10

27

EN4

28

C3

29

2LE

1OE

2OE

2

4

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