74HC08 datasheet(4/8 Pages) DIODES

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74HC08

Document number: DS35322 Rev. 3 - 2

4 of 8

www.diodes.com

January 2013

74HC08

Electrical Characteristics (@TA = +25°C, unless otherwise specified.)

Symbol

Parameter

Test Conditions

VCC

TA = -40°C to +85°C

TA = -40°C to +125°C

Unit

Min

Max

Min

Max

VIH

High-level Input Voltage

2.0V

1.5

—

1.5

—

4.5V

3.15

—

3.15

—

6.0V

4.2

—

4.2

—

VIL

Low-level Input Voltage

2.0V

—

0.5

—

0.5

4.5V

—

1.35

—

1.35

6.0V

—

1.8

—

1.8

VOH

High-level Output Voltage

IOH = -20μA

2.0V

1.9

—

1.9

—

IOH = -20μA

4.5V

4.4

—

4.4

—

IOH = -20μA

6.0V

5.9

—

5.9

—

IOH = -4.0mA

4.5V

3.84

—

3.7

—

IOH = -5.2mA

6.0V

5.34

—

5.2

—

VOL

Low-level Output Voltage

IOL = 20μA

2.0V

—

0.1

—

0.1

IOL = 20μA

4.5V

—

0.1

—

0.1

IOL = 20μA

6.0V

—

0.1

—

0.1

IOL = 4mA

4.5V

—

0.33

—

0.44

IOL = 5.2 mA

6.0V

—

0.33

—

0.44

Input Current

VI =GND to 5.5V

6.0V

—

± 1

—

± 1

μA

ICC

Supply Current

VI = GND or VCC,

IO = 0

6.0V

—

μA

Switching Characteristics

Symbol

Parameter

Test

Conditions

Vcc

TA = +25°C

-40°C to +85°C

-40°C to +125°C

Unit

Min

Typ.

Max

tPD

Propagation

Delay AN to YN

Figure 1

CL = 50pF

2.0V

—

115

125

4.5V

—

6.0V

—

Transition Time

Figure 1

CL = 50pF

2.0V

—

110

4.5V

—

6.0V

—

Operating Characteristics (@TA = +25°C, unless otherwise specified.)

Parameter

Test Conditions

VCC = 6V

Unit

Typ

Cpd

Power Dissipation

Capacitance per Gate

f = 1 MHz

Input Capacitance

VI = VCC – or GND

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