5.7 Switching Characteristics

CL = 50pF; over operating free-air temperature range; typical values measured at TA = 25°C (unless otherwise noted). See

Parameter Measurement Information

PARAMETE

R

FROM (INPUT)

TO (OUTPUT)

VCC

-40°C to 125°C

UNIT

MIN

TYP

MAX

fmax

5V

173

MHz

tPLH

PRE or CLR

Q or Q

5V

4.3

6.1

7.8

ns

tPHL

4.5

6.4

8.2

ns

tPLH

CLK

Q or Q

5V

3.9

6.1

8.2

ns

tPHL

4.0

6.2

8.3

ns

tr

Y

5V

2.0

3.3

4.3

ns

tf

2.1

3.2

4.2

ns

PRE

CLR

CLK

D

Q

(1)

Q

(1)

VCC

(1) Crosshatch indicates unknown output state. Unknown outputs are either high or low. Q and Q are in opposite states when unknown.

SN74ACT74-Q1

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