’LS374 Electrical Characteristics

over recommended operating free air temperature range (unless otherwise noted)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

(Note 1)

Input Clamp Voltage

b

15

V

High Level Output Voltage

DM54

24

34

DM74

24

31

V

Low Level Output Voltage

DM54

025

04

DM74

035

05

V

DM74

025

04

Input Current

Max

01

mA

Input Voltage

High Level Input Current

20

m

A

Low Level Input Current

b

04

mA

Off-State Output

Current with High

20

m

A

Level Output

Voltage Applied

Off-State Output

Current with Low

b

20

m

A

Level Output

Voltage Applied

Short Circuit

DM54

b

50

b

225

mA

Output Current

(Note 2)

DM74

b

50

b

225

Supply Current

27

45

mA

(See Section 1 for Test Waveforms and Output Load)

Symbol

Parameter

Units

Min

Max

Min

Max

Maximum Clock Frequency

35

20

MHz

Propagation Delay Time

28

32

ns

Low to High Level Output

Propagation Delay Time

28

38

ns

High to Low Level Output

Output Enable Time

28

44

ns

to High Level Output

Output Enable Time

28

44

ns

to Low Level Output

Output Disable Time

20

ns

from High Level Output (Note 3)

Output Disable Time

25

ns

from Low Level Output (Note 3)

Note 1

Note 2

Not more than one output should be shorted at a time and the duration should not exceed one second

Note 3

5