SN74HC74-Q1

DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOP

WITH CLEAR AND PRESET

SCLS577A − MARCH 2004 − REVISED APRIL 2008

3

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

V

MIN

MAX

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

MAX

UNIT

2 V

1.9

1.998

1.9

4.5 V

4.4

4.499

4.4

20

µA

6 V

5.9

5.999

5.9

V

4.5 V

3.98

4.3

3.7

V

6 V

5.48

5.8

5.2

2 V

0.002

0.1

0.1

4.5 V

0.001

0.1

0.1

20

µA

6 V

0.001

0.1

0.1

V

4.5 V

0.17

0.26

0.4

V

6 V

0.15

0.26

0.4

6 V

±0.1

±100

±1000

nA

6 V

4

80

µA

2 V to 6 V

3

10

10

pF

timing requirements over recommended operating free-air temperature range (unless otherwise

noted)

V

MIN

MAX

UNIT

MIN

MAX

MIN

MAX

UNIT

2 V

6

4.2

Clock frequency

4.5 V

31

21

MHz

Clock frequency

6 V

0

36

0

25

MHz

2 V

100

150

PRE or CLR low

4.5 V

20

30

t

Pulse duration

PRE or CLR low

6 V

17

25

ns

Pulse duration

2 V

80

120

ns

CLK high or low

4.5 V

16

24

CLK high or low

6 V

14

20

2 V

100

150

Data

4.5 V

20

30

t

Setup time before CLK

↑

Data

6 V

17

25

ns

Setup time before CLK

↑

2 V

25

40

ns

PRE or CLR inactive

4.5 V

5

8

PRE or CLR inactive

6 V

4

7

2 V

0

0

Hold time, data after CLK

↑

4.5 V

0

0

ns

h

,

6 V

0

0