MM74HCT14_09 datasheet(4/11 Pages) FAIRCHILD

Part #	MM74HCT14

Description	Hex Inverting Schmitt Trigger

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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MM74HCT14 • Rev. 1.4.2

4

DC Electrical Characteristics

Symbol

Parameter

Conditions

VCC

TA=+25°C

TA=-40°C

to +85°C Units

Typ.

Guaranteed Limits

VT+

Positive-Going

Threshold Voltage

Minimum

4.5

1.5

1.2

V

5.5

1.7

1.4

Maximum

4.5

1.5

1.9

5.5

1.7

2.1

VT-

Negative-Going

Threshold Voltage

Minimum

4.5

0.9

0.5

V

5.5

1.0

0.6

Maximum

4.5

0.9

1.2

5.5

1.0

1.4

VH

Hysteresis Voltage

Minimum

4.5

0.6

0.4

V

5.5

0.7

0.4

Maximum

4.5

0.6

1.4

5.5

0.7

1.5

VOH

Minimum HIGH Level

Output Voltage

VIN =VIL, | IOUT | = 20µA

4.5

VCC

VCC – 0.1 VCC – 0.1

V

VIN =VIL, | IOUT | = 4.0mA

4.5

4.20

3.98

3.84

VIN =VIL, | IOUT | = 4.8mA

5.5

5.20

4.98

VOL

Maximum LOW Level

Voltage

VIN =VIL, | IOUT | = 20µA

4.5

0

0.1

V

VIN =VIL, | IOUT | = 4.0mA

4.5

0.2

0.26

0.33

VIN =VIL, | IOUT | = 4.8mA

5.5

0.2

0.26

0.33

IIN

Maximum Input Current VIN = VCC or GND, VIH or VIL

5.5

±0.1

±1.0

µA

ICC

Maximum Quiescent

Supply Current

VIN = VCC or GND, IOUT = 0µA

5.5

1.0

10.0

µA

VIN = 2.4V or 0.5V

2.4

mA

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