TC74AC08P 参数 Datasheet PDF下载

TC74AC08P/F/FN/FT

AC Characteristics

(C

L

= 50 pF, R

L

= 500

Ω,

input: t

r

= t

f

= 3 ns)

Characteristics

Symbol

t

pLH

t

pHL

C

IN

C

PD

Test Condition

V

CC

(V)

Propagation delay

time

Input capacitance

Power dissipation

capacitance

―

―

(Note)

3.3 ± 0.3

5.0 ± 0.5

Min

―

―

―

―

Ta = 25°C

Typ.

5.8

4.5

5

71

Max

9.8

7.0

10

―

Ta =

−40

to 85°C

Min

1.0

1.0

―

―

Max

11.3

8.0

10

―

ns

pF

pF

Unit

Note:

C

PD

is defined as the value of the internal equivalent capacitance which is calculated from the operating

current consumption without load.

Average operating current can be obtained by the equation:

I

CC (opr)

= C

PD

·V

CC

·f

IN

+ I

CC

/4 (per gate)

4

2007-10-01