5.5 Switching Characteristics

Input tr, tf = 6 ns. Unless otherwise specified, CL = 50pF

PARAMETER

VCC (V)

25

℃

-40

℃ to

85

℃

-55

℃ to

125

℃

UNIT

TYP

MAX

MAX

MAX

HC TYPES

tpd

Data to outputs

HC/HCT367

2

105

130

160

ns

4.5

21

26

32

ns

6

8(3)

18

24

27

ns

Data to outputs

HC/HCT368

2

105

130

160

ns

4.5

21

26

32

ns

6

9(3)

18

24

27

ns

Output enable and disable to

outputs

2

150

190

225

ns

4.5

30

38

45

ns

6

12(3)

26

33

38

ns

tt

Output transition time

2

60

75

90

ns

4.5

12

15

18

ns

6

10

13

15

ns

CI

Input capacitance

10

10

10

pF

CO

Three-state output capacitance

20

20

20

pF

CPD

Power dissipation capacitance(1)

(2)

5

40

pF

HCT TYPES

tpd

Data to outputs

HC/HCT367

4.5

9(3)

25

31

38

ns

Data to outputs

HC/HCT368

4.5

11(3)

30

38

45

ns

Output enable and disable to

outputs

4.5

14(3)

35

44

53

ns

tt

Output transition time

4.5

12

15

18

ns

CIN

Input capacitance

10

10

10

pF

CO

Three-state capacitance

20

20

20

pF

CPD

Power dissipation capacitance(1)

(2)

5

42

pF

(1)

CPD is used to determine the dynamic power consumption, per buffer.

(2)

PD = VCC 2 fi (CPD + CL) where fi = input frequency, CL = output load capacitance, VCC = supply voltage.

(3)

CL = 15 pF and VCC = 5 V.

CD54HC367, CD74HC367, CD54HCT367

CD74HCT367, CD54HC368, CD74HC368, CD74HCT368

SCHS181E – NOVEMBER 1997 – REVISED FEBRUARY 2022

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