74LX1G02STR datasheet(4/10 Pages) STMICROELECTRONICS

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74LX1G02

4/10

AC ELECTRICAL CHARACTERISTICS (Input tr =tf =3ns)

CAPACITIVE CHARACTERISTICS

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

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

(pF)

(

Ω)

ts = tr

(ns)

-40 to 85 °C

-55 to 125 °C

Min.

Max.

Min.

Max.

tPLH tPHL

Propagation Delay

Time

1.65 to 1.95

Ω

3.0

12.0

2.3 to 2.7

7.0

3.0 to 3.6

4.7

4.5 to 5.5

4.1

1.65 to 1.95

1000

2.0

7.5

2.3 to 2.7

500

2.0

5.5

2.7

500

2.5

5.2

3.0 to 3.6

500

2.5

4.2

4.5 to 5.5

500

2.5

3.7

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA =25°C

Min.

Typ.

Max.

CIN

Input Capacitance

CPD

Power Dissipation Capaci-

tance (note 1)

1.8

fIN = 10MHz

2.5

3.3

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