DF82 is a static, master-slave D flip-flop with 2x drive strength.

Truth Table

D

C

Q

QN

Capacitance

DC

Q

QN

Ci (pF)

H

É

H

L

D

0.020

L

É

L

H

C

0.022

X

Area

Power

1.35 mils

2

5.19 µW / MHz

Delay [ns] = tpd.. = f(SL, L)

with SL = Input Slope [ns] ; L = Output Load [pF]

Output Slope [ns] = op_sl.. = f(L)

with L = Output Load [pF]

AC Characteristics :

Tj = 25°C

VDD = 3.3V

Typical Process

AC Characteristics

Characteristics

Symbol

SL = 0.1

SL = 2.0

L = 0.2

L = 1.4

L = 2.0

L = 0.2

L = 1.4

L = 2.0

Delay C to Q

tpdcqr

1.77

3.13

3.78

1.98

3.31

3.98

tpdcqf

1.88

3.00

3.50

2.07

3.18

3.74

Delay C to QN

tpdcqnr

1.46

2.85

3.52

1.64

3.07

3.76

tpdcqnf

1.32

2.57

3.13

1.53

2.77

3.31

Output Slope C to Q

op_slcqr

0.92

4.93

7.07

0.91

4.95

6.98

op_slcqf

0.72

3.56

5.28

0.76

3.62

5.20

Output Slope C to QN

op_slcqnr

1.01

5.06

7.16

1.01

4.96

7.25

op_slcqnf

0.92

3.82

5.12

0.91

3.81

5.12

Characteristics

Symbol

[ns]

Characteristics

Symbol

[ns]

Min D Setup Time to C

High

tsudch

0.44

Min D Hold Time to C

High

thdch

0.00

Low

tsudcl

0.28

Low

thdcl

0.00

Min C Width

High

twch

1.05

Low

twcl

0.70

Sept. 1996

- 83 -

Rev. N/C

Austria Mikro S ysteme International

R

0.6 µm CMOS

CUB

DF82

DF82