74ABT821_3

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Product data sheet

Rev. 03 — 25 February 2010

2 of 16

NXP Semiconductors

74ABT821

10-bit 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

74ABT821D

−40 °C to +85 °C

SO24

plastic small outline package; 24 leads;

body width 7.5 mm

SOT137-1

74ABT821DB

−40 °C to +85 °C

SSOP24

plastic shrink small outline package; 24 leads;

body width 5.3 mm

SOT340-1

74ABT821PW

−40 °C to +85 °C

TSSOP24

plastic thin shrink small outline package; 24 leads;

body width 4.4 mm

SOT355-1

Fig 1.

Logic symbol

Fig 2.

IEC logic symbol

001aac734

D0

13

1

CP

OE

D1 D2 D3 D4 D5 D6 D7 D8 D9

Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9

23 22 21 20 19 18 17 16 15 14

23456789

10 11

1

2D

1

EN

13

C2

2

23

322

421

520

619

718

817

916

10

15

11

14

001aac735

Fig 3.

Logic diagram

001aac736

D0

Q0

D

2

23

1

13

CP

CP

OE

Q

D1

Q1

D

3

22

CP Q

D2

Q2

D

4

21

CP Q

D3

Q3

D

5

20

CP Q

D4

Q4

D

6

19

CP Q

D5

Q5

D

7

18

CP Q

D6

Q6

D

8

17

CP Q

D7

Q7

D

9

16

CP Q

D8

Q8

D

10

15

CP Q

D9

Q9

D

11

14

CP Q