SN74LVC74APW datasheet(7/46 Pages) TI2

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5.8 Timing Requirements: SN74LVC74A, –40°C to 125°C and –40°C to 85°C

over recommended operating free-air temperature range (unless otherwise noted; see Parameter Measurement Information)

MIN

MAX UNIT

fclock

Clock frequency

TA = –40°C to

125°C

VCC = 2.7 V

MHz

VCC = 3.3 V ± 0.3 V

100

TA = –40°C to 85°C and VCC = 3.3 V ± 0.3 V

150

Pulse duration

PRE or CLR low

VCC = 2.7 V or 3.3 V

3.3

CLK high or low

VCC = 2.7 V or 3.3 V

3.3

tsu

Setup time before CLK↑

Data

TA = –40°C to 125°C

VCC = 2.7 V

3.4

VCC = 3.3 V ± 0.3 V

TA = –40°C to 85°C and VCC = 3.3 V ± 0.3 V

PRE or CLR

inactive

TA = –40°C to 125°C

VCC = 2.7 V

2.2

VCC = 3.3 V ± 0.3 V

TA = –40°C to 85°C and VCC = 3.3 V ± 0.3 V

Hold time, data after

CLK↑

VCC = 2.7 V or 3.3 V

5.9 Switching Characteristics: SN54LVC74A

over recommended operating free-air temperature range (unless otherwise noted; see Parameter Measurement Information)

PARAMETER

FROM

(INPUT)

(OUTPUT)

TEST CONDITIONS

MIN

MAX

UNIT

fmax

Maximum clock

frequency

—

VCC = 2.7 V

MHz

VCC = 3.3 V ± 0.3 V

100

tpd

Propagation (delay)

time

CLK

Q or Q

VCC = 2.7 V

5.2

PRE or CLR

VCC = 3.3 V ± 0.3 V

6.4

VCC = 3.3 V ± 0.3 V

5.4

5.10 Switching Characteristics: SN74LVC74A

over recommended operating free-air temperature range (unless otherwise noted; see Parameter Measurement Information)

PARAMETER

FROM

(INPUT)

(OUTPUT)

TEST CONDITIONS

MIN

MAX

UNIT

fmax

Maximum clock

frequency

—

MHz

tpd

Propagation (delay)

time

CLK PRE

Q or Q

VCC = 1.8 V ± 0.15 V

7.1

VCC = 2.5 V ± 0.2 V

4.4

or CLR

VCC = 1.8 V ± 0.15 V

6.9

VCC = 2.5 V ± 0.2 V

4.6

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SN54LVC74A, SN74LVC74A

SCAS287W – JANUARY 1993 – REVISED DECEMBER 2024

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