3

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Recommended Operating

Conditions

Note 1: Absolute maximum ratings are values beyond which the device

may be damaged or have its useful life impaired. Functional operation

under these conditions is not implied.

Note 2: Either voltage limit or current limit is sufficient to protect inputs.

DC Electrical Characteristics

Storage Temperature

−65°C to +150°C

Ambient Temperature under Bias

−55°C to +125°C

Junction Temperature under Bias

−55°C to +150°C

−0.5V to +7.0V

Input Voltage (Note 2)

−0.5V to +7.0V

Input Current (Note 2)

−30 mA to +5.0 mA

Voltage Applied to Output

Standard Output

−0.5V to V

CC

3-STATE Output

−0.5V to +5.5V

Current Applied to Output

in LOW State (Max)

ESD Last Passing Voltage (Min)

4000V

Free Air Ambient Temperature

0

°C to +70°C

Supply Voltage

+4.5V to +5.5V

Symbol

Parameter

Min

Typ

Max

Units

Conditions

Input HIGH Voltage

2.0

V

Recognized as a HIGH Signal

Input LOW Voltage

0.8

V

Recognized as a LOW Signal

Input Clamp Diode Voltage

−1.2

V

Min

Output HIGH

2.0

V

Min

Voltage

Output LOW

0.55

V

Min

Voltage

Input HIGH

5.0

µAMax

Current

Input HIGH Current

7.0

µAMax

Breakdown Test

Input HIGH Current

0.5

mA

Max

Breakdown (I/O)

Output HIGH

50

µAMax

Leakage Current

Input Leakage

4.75

V

0.0

Test

All Other Pins Grounded

Output Leakage

3.75

µA0.0

Circuit Current

All Other Pins Grounded

Input LOW Current

−0.6

mA

Max

Output Leakage Current

70

µAMax

Output Leakage Current

−650

µAMax

Output Short-Circuit Current

−100

−225

mA

Max

Bus Drainage Test

500

µA0.0V

Power Supply Current (74F640)

80

mA

Max

Power Supply Current (74F640)

80

mA

Max

Power Supply Current (74F640)

96

mA

Max

Power Supply Current (74F645)

65

mA

Max

Power Supply Current (74F645)

80

mA

Max

Power Supply Current (74F645)

90

mA

Max