Nexperia

74HC166; 74HCT166

8-bit parallel-in/serial out shift register

10. Dynamic characteristics

Table 7. Dynamic characteristics

GND (ground = 0 V); tr = tf = 6 ns: CL = 50 pF unless otherwise specified; for test circuit, see Fig. 11

25 °C

-40 °C to +85 °C -40 °C to +125 °C

Symbol Parameter Conditions

Min Typ Max

Min

Max

Min

Max

Unit

74HC166

CP to Q7; see Fig. 8

[1]

VCC = 2.0 V

-

50

150

-

190

-

225

ns

VCC = 4.5 V

-

18

30

-

38

-

45

ns

VCC = 5.0 V; CL = 15 pF

-

15

-

-

-

-

-

ns

VCC = 6.0 V

-

14

26

-

33

-

38

ns

MR to Q7; see Fig. 9

VCC = 2.0 V

-

47

160

-

200

-

240

ns

VCC = 4.5 V

-

17

32

-

40

-

48

ns

VCC = 5.0 V; CL = 15 pF

-

14

-

-

-

-

-

ns

tpd

propagation

delay

VCC = 6.0 V

-

14

27

-

34

-

41

ns

output; see Fig. 8

[2]

VCC = 2.0 V

-

19

75

-

95

-

110

ns

VCC = 4.5 V

-

7

15

-

19

-

22

ns

tt

transition

time

VCC = 6.0 V

-

6

13

-

16

-

19

ns

CP input HIGH or LOW;

see Fig. 8

VCC = 2.0 V

80

17

-

100

-

120

-

ns

VCC = 4.5 V

16

6

-

20

-

24

-

ns

VCC = 6.0 V

14

5

-

17

-

20

-

ns

MR input LOW; see Fig. 9

VCC = 2.0 V

100

25

-

125

-

150

-

ns

VCC = 4.5 V

20

9

-

25

-

30

-

ns

tW

pulse width

VCC = 6.0 V

17

7

-

21

-

26

-

ns

MR to CP; see Fig. 9

VCC = 2.0 V

0

-19

-

0

-

0

-

ns

VCC = 4.5 V

0

-7

-

0

-

0

-

ns

trec

recovery

time

VCC = 6.0 V

0

-6

-

0

-

0

-

ns

Dn, CE to CP; see Fig. 10

VCC = 2.0 V

80

14

-

100

-

120

-

ns

VCC = 4.5 V

16

5

-

20

-

24

-

ns

VCC = 6.0 V

14

4

-

17

-

20

-

ns

PE to CP; see Fig. 10

VCC = 2.0 V

100

33

-

125

-

150

-

ns

VCC = 4.5 V

20

12

-

25

-

30

-

ns

tsu

set-up time

VCC = 6.0 V

17

10

-

21

-

26

-

ns

74HC_HCT166

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Product data sheet

Rev. 5 — 9 August 2021

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