Nexperia

74HC390; 74HCT390

Dual decade ripple counter

25 °C

-40 °C to

+85 °C

-40 °C to

+125 °C

Symbol Parameter

Conditions

Min Typ [1] Max

Min

Max

Min

Max

Unit

nCP0, nCP1; HIGH or LOW;

see Fig. 5

VCC = 2.0 V

80

19

-

100

-

120

-

ns

VCC = 4.5 V

16

7

-

20

-

24

-

ns

VCC = 6.0 V

14

6

-

17

-

20

-

ns

nMR HIGH; see Fig. 6

VCC = 2.0 V

80

28

-

105

-

130

-

ns

VCC = 4.5 V

17

10

-

21

-

26

-

ns

tW

pulse width

VCC = 6.0 V

14

8

-

18

-

22

-

ns

nMR to nCPn; see Fig. 6

VCC = 2.0 V

75

22

-

95

-

110

-

ns

VCC = 4.5 V

15

8

-

19

-

22

-

ns

trec

recovery time

VCC = 6.0 V

13

6

-

16

-

19

-

ns

nCPn; see Fig. 5

VCC = 2.0 V

6.0

20

-

4.8

-

4.0

-

MHz

VCC = 4.5 V

30

60

-

24

-

20

-

MHz

VCC = 5 V; CL = 15 pF

-

66

-

-

-

-

-

MHz

fmax

maximum

frequency

VCC = 6.0 V

35

71

-

28

-

24

-

MHz

CPD

power

dissipation

capacitance

CL = 50 pF; f = 1 MHz;

VI = GND to VCC

[4]

-

20

-

-

-

-

-

pF

74HCT390

nCP0 to nQ0; see Fig. 5

[2]

VCC = 4.5 V

-

21

34

-

43

-

51

ns

VCC = 5 V; CL = 15 pF

-

18

-

-

-

-

-

ns

nCP1 to nQ1; see Fig. 5

VCC = 4.5 V

-

22

38

-

48

-

57

ns

VCC = 5 V; CL = 15 pF

-

19

-

-

-

-

-

ns

nCP1 to nQ2; see Fig. 5

VCC = 4.5 V

-

30

51

-

64

-

77

ns

VCC = 5 V; CL = 15 pF

-

26

-

-

-

-

-

ns

nCP1 to nQ3; see Fig. 5

VCC = 4.5 V

-

22

38

-

48

-

57

ns

tpd

propagation

delay

VCC = 5 V; CL = 15 pF

-

19

-

-

-

-

-

ns

nMR to nQn; see Fig. 6

VCC = 4.5 V

-

21

36

-

45

-

54

ns

tPHL

HIGH to LOW

propagation

delay

VCC = 5 V; CL = 15 pF

-

18

-

-

-

-

-

ns

nQn; see Fig. 5

[3]

tt

transition time

VCC = 4.5 V

-

7

15

-

19

-

22

ns

74HC_HCT390

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 5 — 18 October 2021

7 / 15