5.7 Timing Requirements, VCC = 3.3 V ± 0.3 V

over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted)

–55°C to 125°C

–40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

fclock

Clock frequency

68

77

MHz

tw

Pulse duration

CLR low

5.6

4.9

ns

CLK high or low

7.3

6.4

Tsu

Setup time before CLK↑

Data

2

2

ns

th

Hold time, data after CLK ↑

4.2

3.7

ns

trec

Recovery time, before CLK ↑

CLR↑

1.5

1.5

ns

5.8 Timing Requirements, VCC = 5 V ± 0.5 V

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted)

–55°C to 125°C

–40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

fclock

Clock frequency

95

108

MHz

tw

Pulse duration

CLR low

4

3.5

ns

CLK high or low

5.2

4.6

tsu

Setup time before CLK↑

Data

2

2

ns

th

Hold time, data after CLK ↑

3

2.6

ns

trec

Recovery time, before CLK ↑

CLR↑

1.5

1.5

ns

5.9 Switching Characteristics, VCC = 1.5 V

over recommended operating free-air temperature range, VCC = 1.5 V, CL = 50 pF (unless otherwise noted) (see Load Circuit

and Voltage Waveforms)

PARAMETER

FROM (INPUT)

TO (OUTPUT)

–55°C to 125°C

–40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

fmax

8

9

MHz

tPLH

CLK

Any Q

169

154

ns

tPHL

169

154

tPLH

CLR

Any Q

181

165

ns

tPHL

181

165

5.10 Switching Characteristics, VCC = 3.3 V ± 0.3 V

over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V, CL = 50 pF (unless otherwise noted) (see

Load Circuit and Voltage Waveforms)

PARAMETER

FROM (INPUT)

TO (OUTPUT)

–55°C to 125°C

–40°C to 85°C

UNIT

MIN

MAX

MIN

MAX

fmax

68

77

MHz

tPLH

CLK

Any Q

4.7

18.9

4.9

17.2

ns

tPHL

4.7

18.9

4.9

17.2

tPLH

CLR

Any Q

5.1

20.3

5.2

18.5

ns

tPHL

5.1

20.3

5.2

18.5

CD74AC174

SCHS346C – APRIL 2003 – REVISED OCTOBER 2024

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