CL = 50 pF; over operating free-air temperature range (unless otherwise noted). See Parameter Measurement

Information.

PARAMETER

VCC

Operating free-air temperature (TA)

UNIT

25°C

–40°C to 125°C

MIN

MAX

MIN

MAX

tsu

Setup time

SH/LD low before CLK↑

2 V

11

18

ns

4.5 V

4

6

6 V

4

6

SER before CLK↑

2 V

8

14

4.5 V

4

6

6 V

4

6

CLK INH low before CLK↑

2 V

4

6

4.5 V

2

3

6 V

2

3

Data before CLK↑

2 V

8

14

4.5 V

4

5

6 V

4

5

CLR inactive before CLK↑

2 V

14

22

4.5 V

5

8

6 V

5

8

th

Hold time

SH/LD high after CLK↑

2 V

0

0

ns

4.5 V

0

0

6 V

0

0

SER after CLK↑

2 V

1

1

4.5 V

1

1

6 V

1

1

CLK INH high after CLK↑

2 V

0

0

4.5 V

0

0

6 V

0

0

Data after CLK↑

2 V

1

1

4.5 V

1

1

6 V

1

1

6.7 Switching Characteristics

CL = 50 pF; over operating free-air temperature range (unless otherwise noted). See Parameter Measurement

Information.

PARAMETER

FROM

TO

VCC

Operating free-air temperature (TA)

UNIT

25°C

–40°C to 125°C

MIN

TYP

MAX

MIN

TYP

MAX

fmax

Max switching frequency

2 V

70

45

MHz

4.5 V

210

140

6 V

220

155

tpd

Propagation delay

CLK

QH

2 V

24

40

ns

4.5 V

9

15

6 V

8

12

tPHL

Propagation delay

CLR

QH

2 V

40

60

ns

4.5 V

14

21

6 V

11

18

SN74HCS166-Q1

SCLS830A – JUNE 2020 – REVISED AUGUST 2020

www.ti.com

6

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