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componentes Descripción

Fabricante

MC74VHC1G14

Single Schmitt−Trigger Inverter

ON Semiconductor 

MC74VHC1G14

DC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

VCC

TA = 25°C

TA ≤ 85°C −55 ≤ TA ≤ 125°C

(V) Min Typ Max Min Max Min

Max Unit

VT+

Positive Threshold

Voltage

3.0 1.85 2.0 2.20

2.20

4.5 2.86 3.0 3.15

3.15

5.5 3.50 3.6 3.85

3.85

2.20

V

3.15

3.85

VT−

Negative Threshold

Voltage

3.0 0.9 1.5 1.65 0.9

0.9

V

4.5 1.35 2.3 2.46 1.35

1.35

5.5 1.65 2.9 3.05 1.65

1.65

VH

Hysteresis Voltage

3.0 0.30 0.57 1.20 0.30 1.20 0.30

1.20

V

4.5 0.40 0.67 1.40 0.40 1.40 0.40 1.40

5.5 0.50 0.74 1.60 0.50 1.60 0.50 1.60

VOH Minimum High−Level VIN ≤ VT − Min

2.0 1.9 2.0

1.9

1.9

V

Output Voltage

IOH = −50 mA

3.0 2.9 3.0

2.9

2.9

4.5 4.4 4.5

4.4

4.4

IOH = −4 mA

IOH = −8 mA

3.0 2.58

4.5 3.94

2.48

2.34

V

3.80

3.66

VOL

Maximum Low−Level VIN ≥ VT + Max

2.0

0.0 0.1

0.1

Output Voltage

IOL = 50 mA

3.0

0.0 0.1

0.1

4.5

0.0 0.1

0.1

0.1

V

0.1

0.1

IOL = 4 mA

3.0

IOL = 8 mA

4.5

0.36

0.44

0.36

0.44

0.52

V

0.52

IIN

Maximum Input

Leakage Current

VIN = 5.5 V or GND 0 to

5.5

±0.1

±1.0

±1.0 mA

ICC

Maximum Quiescent VIN = VCC or GND

5.5

1.0

20

40

mA

Supply Current

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ AC ELECTRICAL CHARACTERISTICS Input tr = tf = 3.0 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TA = 25°C

TA ≤ 85°C −55 ≤ TA ≤ 125°C

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol

Parameter

Test Conditions

Min Typ Max Min Max Min

Max Unit

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL

Maximum Propagation VCC = 3.3 ± 0.3 V CL = 15 pF

Delay, A to Y

CL = 50 pF

7.0 12.8 1.0 15.0 1.0

8.5 16.3 1.0 18.5 1.0

17.0

ns

20.5

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC = 5.0 ± 0.5 V CL = 15 pF

CL = 50 pF

4.0 8.6 1.0 10.0 1.0

11.5

5.5 10.6 1.0 12.0 1.0

13.5

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CIN

Maximum Input

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Capacitance

5 10

10

10

pF

Typical @ 25°C, VCC = 5.0 V

CPD Power Dissipation Capacitance (Note 6)

7.0

pF

6. 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. CPD is used to determine the no−load dynamic

power consumption; PD = CPD  VCC2  fin + ICC  VCC.

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