2003 Jul 10

8

Philips Semiconductors

Product specification

Dual D-type flip-flop with set and reset;

positive-edge trigger

74HC74; 74HCT74

DC CHARACTERISTICS

Family 74HC

At recommended operating conditions; voltages are referenced to GND (ground=0V).

Note

SYMBOL

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

WAVEFORMS

HIGH-level input

voltage

2.0

1.5

1.2

−

V

4.5

3.15

2.4

−

V

6.0

4.2

3.2

−

V

LOW-level input voltage

2.0

−

0.8

0.5

V

4.5

−

2.1

1.35

V

6.0

−

2.8

1.8

V

HIGH-level output

voltage

4.5

3.84

4.32

−

V

6.0

5.34

5.81

−

V

LOW-level output

voltage

4.5

−

0.15

0.33

V

6.0

−

0.16

0.33

V

input leakage current

6.0

−−±1.0

µA

quiescent supply

current

6.0

−−

40

µA

HIGH-level input

voltage

2.0

1.5

−−

V

4.5

3.15

−−

V

6.0

4.2

−−

V

LOW-level input voltage

2.0

−−

0.5

V

4.5

−−

1.35

V

6.0

−−

1.8

V

HIGH-level output

voltage

4.5

3.7

−−

V

6.0

5.2

−−

V

LOW-level output

voltage

4.5

−−

0.4

V

6.0

−−

0.4

V

input leakage current

6.0

−−±1.0

µA

quiescent supply

current

6.0

−−

80

µA