If MilitaryAerospace specified devices are required

please contact the National Semiconductor Sales

OfficeDistributors for availability and specifications

Storage Temperature

b

Ambient Temperature under Bias

b

Junction Temperature under Bias

b

Plastic

b

Ground Pin

b

Input Voltage (Note 2)

b

Input Current (Note 2)

b

Voltage Applied to Output

Standard Output

b

TRI-STATE Output

b

Current Applied to Output

in LOW State (Max)

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

Recommended Operating

Conditions

Free Air Ambient Temperature

Military

b

Commercial

Supply Voltage

Military

a

Commercial

a

DC Electrical Characteristics

Symbol

Parameter

54F74F

Units

Conditions

Min

Typ

Max

Input HIGH Voltage

20

V

Recognized as a HIGH Signal

Input LOW Voltage

08

V

Recognized as a LOW Signal

Input Clamp Diode Voltage

b

12

V

Min

Output HIGH

54F

25

Voltage

74F

25

V

Min

74F

27

Output LOW

54F

05

V

Min

Voltage

74F

05

Input HIGH

54F

200

m

A

Max

Current

74F

50

Input HIGH Current

54F

100

m

A

Max

Breakdown Test

74F

70

Output HIGH

54F

250

m

A

Max

Leakage Current

74F

50

Input Leakage

74F

475

V

00

Test

All Other Pins Grounded

Output Leakage

74F

375

m

A

00

Circuit Current

All Other Pins Grounded

Input LOW Current

b

06

mA

Max

Output Short-Circuit Current

b

60

b

150

mA

Max

Power Supply Current

30

45

mA

Max

3