74LVC573AMTR データシートの表示（PDF） - STMicroelectronics

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74LVC573AMTR

OCTAL D-TYPE LATCH HIGH PERFORMANCE

STMicroelectronics 

74LVC573A

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCC

(V)

TA = 25 °C

Unit

Min. Typ. Max.

CIN

Input Capacitance

4

pF

CPD Power Dissipation Capacitance

1.8

(note 1)

2.5

fIN = 10MHz

28

30

pF

3.3

34

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/n (per circuit)

TEST CIRCUIT

RT = ZOUT of pulse generator (typically 50Ω)

TEST CIRCUIT AND WAVEFORM SYMBOL VALUE

Symbol

CL

RL = R1

VS

VIH

VM

VOH

VX

VY

tr = tr

1.65 to 1.95V

30pF

1000Ω

2 x VCC

VCC

VCC/2

VCC

VOL + 0.15V

VOH - 0.15V

<2.0ns

VCC

2.3 to 2.7V

30pF

500Ω

2 x VCC

VCC

VCC/2

VCC

VOL + 0.15V

VOH - 0.15V

<2.0ns

2.7V

50pF

500Ω

6V

2.7V

1.5V

3.0V

VOL + 0.3V

VOH - 0.3V

<2.5ns

3.0 to 3.6V

50pF

500Ω

7V

3.0V

1.5V

3.5V

VOL + 0.3V

VOH - 0.3V

<2.5ns

5/10

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