74ABT16821A_3

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Product data sheet

Rev. 03 — 16 March 2010

2 of 16

NXP Semiconductors

74ABT16821A

20-bit bus-interface D-type flip-flop; positive-edge trigger; 3-state

3.

Ordering information

4.

Functional diagram

Table 1.

Ordering information

Type number

Package

Temperature

range

Name

Description

Version

74ABT16821ADL

−40 °C to +85 °C

SSOP56

plastic shrink small outline package; 56 leads;

body width 7.5 mm

SOT371-1

74ABT16821ADGG

−40 °C to +85 °C

TSSOP56

plastic thin shrink small outline package; 56 leads;

body width 6.1 mm

SOT364-1

Fig 1.

IEC logic symbol

29

28

56

EN4

1

EN2

1OE

1CP

2OE

2CP

1D0

1D1

1D2

1D3

1D4

1D5

1D6

1D7

1D8

1D9

2D0

2D1

2D2

2D3

2D4

2D5

2D6

2D7

2D8

2D9

1Q0

1Q1

1Q2

1Q3

1Q4

1Q5

1Q6

1Q7

1Q8

1Q9

2Q0

2Q1

2Q2

2Q3

2Q4

2Q5

2Q6

2Q7

2Q8

2Q9

C3

C1

2

1D

3D

4

001aae855

42

41

40

38

37

36

34

33

31

30

15

16

17

19

20

21

23

24

26

27

55

54

52

51

49

48

47

45

44

43

2

3

5

6

8

9

10

12

13

14