Philips Semiconductors Advanced BiCMOS Products

Product specification

MB2821

Dual 10-bit D-type flip-flop;

positive-edge trigger (3-State)

1

August 24, 1993

853-1670 10620

FEATURES

switching noise

Jedec JC40.2 Std 17

STD 883 Method 3015 and 200V per

Machine Model

DESCRIPTION

The MB2821 high-performance BiCMOS

device combines low static and dynamic

power dissipation with high speed and high

output drive.

The MB2821 has two 10-bit, edge triggered

registers, with each register coupled to ten

3-State output buffers. The two sections of

each register are controlled independently by

the clock (nCP) and Output Enable (nOE)

control gates.

Each register is fully edge triggered. The

state of each D input, one set-up time before

the Low-to-High clock transition, is

transferred to the corresponding flip-flop’s Q

output.

The 3-State output buffers are designed to

drive heavily loaded 3-State buses, MOS

memories, or MOS microprocessors.

The active Low Output Enable (nOE) controls

all ten 3-State buffers independent of the

register operation. When nOE is Low, the

data in the register appears at the outputs.

When nOE is High, the outputs are in high

impedance “off” state, which means they will

neither drive nor load the bus.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

TYPICAL

UNIT

Propagation delay

nCP to nQx

4.6

ns

Input capacitance

4

pF

Output capacitance

7

pF

Total supply current

120

µA

ORDERING INFORMATION

PACKAGES

TEMPERATURE RANGE

ORDER CODE

DRAWING NUMBER

52-pin plastic Quad Flat Pack

-40

°C to +85°C

MB2821BB

1418B

PIN CONFIGURATION

LOGIC SYMBOL

19

22

20

23

17

16

25

26

24

15

14

21

18

188

2Q1

1Q9

2Q2

GND

1Q6

2Q4

2Q5

2Q3

1Q5

2Q0

1Q7

1Q4

1

2

3

4

5

6

7

8

9

10

11

12

13

47

44

46

43

49

50

41 40

42

51

52

45

48

1D9

2D2

2D0

GND

1D7

1D6

2D4

2D5

2D3

1D5

2D1

1D8

1D4

39

38

37

36

35

34

33

32

31

30

29

28

27

MB2821

52–pin PQFP

45

44

42

41

39

38

37

36

1D0 1D1 1D2 1D3 1D4 1D5 1D6

1D7

1Q0 1Q1 1Q2 1Q3 1Q4 1Q5 1Q6

1Q7

48

49

50

51

1

2

3

5

46

47

1CP

1OE

35

34

1D8

1D9

1Q8

1Q9

6

7

33

32

31

29

28

27

25

24

2D0 2D1 2D2 2D3 2D4 2D5 2D6

2D7

2Q0 2Q1 2Q2 2Q3 2Q4 2Q5 2Q6

2Q7

8

9

10

11

12

13

15

16

21

20

2CP

2OE

23

22

2D8

2D9

2Q8

2Q9

18

19