74VHC02CW 查看數據表（PDF） - Fairchild Semiconductor

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74VHC02CW

Quad 2-Input NOR Gate

Fairchild Semiconductor 

AC Electrical Characteristics

Symbol

Parameter

VCC

TA = 25°C

TA = −40°C to +85°C

Units

(V)

Min

Typ

Max

Min

Max

Conditions

tPHL

Propagation Delay

tPLH

CIN

Input Capacitance

CPD

Power Dissipation

Capacitance

3.3 ± 0.3

5.0 ± 0.5

5.6

7.9

1.0

9.5

ns

CL = 15 pF

8.1

11.4

1.0

13.0

CL = 50 pF

3.6

5.5

1.0

6.5

ns

CL = 15 pF

5.1

7.5

1.0

8.5

CL = 50 pF

4

10

10

pF VCC = Open

15

pF (Note 4)

Note 4: CPD 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: ICC (opr.) = CPD * VCC * fIN + ICC/4 (per gate).

3

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