74LX1G07STR datasheet(8/20 Pages) STMICROELECTRONICS

8 / 20 page

Electrical characteristics

74LX1G07

8/20

Table 7.

AC electrical characteristics

Symbol

Parameter

Test conditions

Value

Unit

VCC

(V)

(pF)

(

Ω)

ts = tr

(ns)

-40 to 85 °C

Min

Max

tPLZ

Propagation delay

time

1.65

−1.95 30 1000 2.0

1.8

8.3

2.3

−2.7

500

2.0

1.2

5.5

2.7

500

2.5

3.0

−3.6

500

2.5

0.8

4.2

4.5

−5.5

500

2.5

0.5

3.5

tPZL

Propagation delay

time

1.65

−1.95 30 1000 2.0

1.8

8.3

2.3

−2.7

500

2.0

1.2

5.5

2.7

500

2.5

3.0

−3.6

500

2.5

0.8

4.2

4.5

−5.5

500

2.5

0.5

3.5

Table 8.

Capacitive characteristics

Symbol

Parameter

Test conditions

Value

Unit

VCC

(V)

TA =25 °C

Min

Typ

Max

CIN

Input capacitance

3.3

VIN =0 or VCC

2.5

COUT

Output capacitance

3.3

VIN =0 or VCC

4pF

CPD

Power dissipation

capacitance(1)

CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the

operating current consumption without load. (Refer to test circuit). Average operating current can be

obtained by the following equation: ICC(opr) =CPD xVCC xfIN +ICC

1.8

fIN =10 MHz

2.5

3.3

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