If MilitaryAerospace specified devices are required

please contact the National Semiconductor Sales

OfficeDistributors for availability and specifications

b

b

b

g

20 mA

g

35 mA

g

70 mA

b

(Note 3)

600 mW

SO Package only

500 mW

260 C

Operating Conditions

Min

Max

Units

6

V

DC Input or Output Voltage

0

V

MM74HC

b

40

a

85

C

MM54HC

b

55

a

125

C

Input Rise or Fall Times

1000

ns

500

ns

400

ns

74HC

54HC

Symbol

Parameter

Conditions

Typ

Guaranteed Limits

Minimum High Level

20V

15

15

15

V

Input Voltage

45V

315

315

315

V

60V

42

42

42

V

Maximum Low Level

20V

05

05

05

V

Input Voltage

45V

135

135

135

V

60V

18

18

18

V

Minimum High Level

Output Voltage

20V

20

19

19

19

V

45V

45

44

44

44

V

60V

60

59

59

59

V

45V

42

398

384

37

V

60V

57

548

534

52

V

Maximum Low Level

Output Voltage

20V

0

01

01

01

V

45V

0

01

01

01

V

60V

0

01

01

01

V

45V

02

026

033

04

V

60V

02

026

033

04

V

Maximum Input

60V

g

01

g

10

g

10

m

A

Current

Maximum TRI-STATE

60V

g

05

g

50

g

10

m

A

Output Leakage Current

Maximum Quiescent

60V

80

80

160

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