If MilitaryAerospace specified devices are required

please contact the National Semiconductor Sales

OfficeDistributors for availability and specifications

b

b

b

g

20 mA

g

25 mA

g

50 mA

b

(Note 3)

600 mW

SO Package only

500 mW

260 C

Operating Conditions

Min

Max

Units

V

DC Input or Output Voltage

V

MMHC

b

a

C

MMHC

b

a

C

Input Rise or Fall Times

V

ns

V

ns

V

ns

74HC

54HC

Symbol

Parameter

Conditions

Units

Typ

Guaranteed Limits

Minimum High Level

V

V

Input Voltage

V

V

V

V

Maximum Low Level

V

V

Input Voltage

V

V

V

V

Minimum Low Level

Output Voltage

V

V

V

V

V

V

mA

V

V

mA

V

V

Maximum High Level

V

m

A

Output Leakage Current

Maximum Input

V

g

g

g

m

A

Current

Maximum Quiescent

V

m

A

Supply Current

Note 1

Absolute Maximum Ratings are those values beyond which damage to the device may occur

Note 2

Unless otherwise specified all voltages are referenced to ground

Note 3

Power Dissipation temperature derating

Note 4

2