If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Storage Temperature

−65˚C to +150˚C

Ambient Temperature under Bias

−55˚C to +125˚C

Junction Temperature under Bias

−55˚C to +175˚C

Plastic

−55˚C to +150˚C

V

Ground Pin

−0.5V to +7.0V

Input Voltage (Note 4)

−0.5V to +7.0V

Input Current (Note 4)

−30 mA to +5.0 mA

Voltage Applied to Output

in HIGH State (with V

Standard Output

−0.5V to V

CC

−0.5V to +5.5V

Current Applied to Output

in LOW State (Max)

twice the rated I

ESD Last Passing Voltage (Min)

4000V

Recommended Operating

Conditions

Free Air Ambient Temperature

Military

−55˚C to +125˚C

Commercial

0˚C to +70˚C

Supply Voltage

Military

+4.5V to +5.5V

Commercial

+4.5V to +5.5V

Note 3: 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 4: Either voltage limit or current limit is sufficient to protect inputs.

DC Electrical Characteristics

Symbol

Parameter

54F/74F

Units

V

CC

Conditions

Min

Typ

Max

V

T+

Positive-going Threshold

1.5

2.0

V

5.0

V

T−

Negative-going Threshold

0.7

1.1

V

5.0

∆V

T

Hysteresis (V

T

T

0.4

V

5.0

V

CD

Input Clamp Diode Voltage

−1.2

V

Min

I

V

OH

Output HIGH

54F 10% V

CC

2.5

I

Voltage

74F 10% V

CC

2.5

V

Min

I

74F 5% V

CC

2.7

I

V

OL

Output LOW

54F 10% V

CC

0.5

V

Min

I

Voltage

74F 10% V

CC

0.5

I

I

IH

Input HIGH

54F

20.0

µA

Max

V

Current

74F

5.0

I

BVI

Input HIGH Current

54F

100

µA

Max

V

Breakdown Test

74F

7.0

I

CEX

Output HIGH

54F

250

µA

Max

V

Leakage Current

74F

50

V

ID

Input Leakage

74F

4.75

V

0.0

I

Test

All Other Pins Grounded

I

OD

Output Leakage

74F

3.75

µA

0.0

V

Circuit Current

All Other Pins Grounded

I

IL

Input LOW Current

−0.6

mA

Max

V

I

OS

Output Short-Circuit Current

−60

−150

mA

Max

V

I

CCH

Power Supply Current

17.0

mA

Max

V

I

CCL

Power Supply Current

18.0

mA

Max

V

3

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PrintDate=1997/08/28 PrintTime=12:25:38 10193 ds009477 Rev. No. 1

cmserv

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