SN74HC74Q1

DUAL DTYPE POSITIVEEDGETRIGGERED FLIPFLOP

WITH CLEAR AND PRESET

SCLS577 − MARCH 2004

3

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

MIN

MAX

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

UNIT

2 V

1.9

1.998

1.9

IOH = −20 µA

4.5 V

4.4

4.499

4.4

VOH

VI = VIH or VIL

IOH = −20 µA

6 V

5.9

5.999

5.9

V

VOH

VI = VIH or VIL

IOH = −4 mA

4.5 V

3.98

4.3

3.7

V

IOH = −5.2 mA

6 V

5.48

5.8

5.2

2 V

0.002

0.1

0.1

IOL = 20 µA

4.5 V

0.001

0.1

0.1

VOL

VI = VIH or VIL

IOL = 20 µA

6 V

0.001

0.1

0.1

V

VOL

VI = VIH or VIL

IOL = 4 mA

4.5 V

0.17

0.26

0.4

V

IOL = 5.2 mA

6 V

0.15

0.26

0.4

II

VI = VCC or 0

6 V

±0.1

±100

±1000

nA

ICC

VI = VCC or 0,

IO = 0

6 V

4

80

µA

Ci

2 V to 6 V

3

10

10

pF

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

noted)

VCC

TA = 25°C

MIN

MAX

UNIT

VCC

MIN

MAX

MIN

MAX

UNIT

2 V

6

4.2

fclock

Clock frequency

4.5 V

31

21

MHz

fclock

Clock frequency

6 V

0

36

0

25

MHz

2 V

100

150

PRE or CLR low

4.5 V

20

30

tw

Pulse duration

PRE or CLR low

6 V

17

25

ns

tw

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

tsu

Setup time before CLK

↑

Data

6 V

17

25

ns

tsu

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

th

Hold time, data after CLK

↑

4.5 V

0

0

ns

th

Hold time, data after CLK

6 V

0

0

ns