74LCX16541 Ver la hoja de datos (PDF) - STMicroelectronics

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componentes Descripción

Fabricante

74LCX16541

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STMicroelectronics 

74LCX16541

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCC

(V)

TA = 25 °C

Unit

Min. Typ. Max.

CIN

Input Capacitance

3.3

VI = 0V or VCC

4

pF

COUT Output Capacitance

3.3

VI = 0V or VCC

10

pF

CPD Power Dissipation Capacitance

2.5

(note 1) Output enabled

3.3

fIN = 10MHz

VI = 0V or VCC

45

pF

50

Power Dissipation Capacitance

2.5

(note 1) Output disabled

3.3

fIN = 10MHz

VI = 0V or VCC

3

pF

4

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 x VCC x fIN + ICC/ 16

TEST CIRCUIT

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

CL = 50 pF or equivalent (includes jig and probe capacitance)

RL = R1 = 500 Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

SWITCH

Open

2VCC

GND

5/9

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