(See Section 1 for Test Waveforms and Output Load)

From

(Input)

Symbol

Parameter

Units

To

Min

Max

Min

Max

(Output)

Propagation Delay

Data

Time Low to High

to

18

26

ns

Level Output

Q

Propagation Delay

Data

Time High to Low

to

18

27

ns

Level Output

Q

Propagation Delay

Enable

Time Low to High

to

30

38

ns

Level Output

Q

Propagation Delay

Enable

Time High to Low

to

30

36

ns

Level Output

Q

Output Enable

Output

Time to High

Control

28

36

ns

Level Output

to Any Q

Output Enable

Output

Time to Low

Control

36

50

ns

Level Output

to Any Q

Output Disable

Output

Time from High

Control

20

ns

Level Output (Note 3)

to Any Q

Output Disable

Output

Time from Low

Control

25

ns

Level Output (Note 3)

to Any Q

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

Recommended Operating Conditions

Symbol

Parameter

DM54LS374

DM74LS374

Units

Min

Nom

Max

Min

Nom

Max

Supply Voltage

45

5

55

475

5

525

V

High Level Input Voltage

2

2

V

Low Level Input Voltage

07

08

V

High Level Output Current

b

1

b

26

mA

Low Level Output Current

12

24

mA

Pulse Width

Clock High

15

15

ns

(Note 4)

Clock Low

15

15

Data Setup Time (Notes14)

20

u

20

u

ns

Data Hold Time (Notes14)

1

u

1

u

ns

Free Air Operating Temperature

b

55

125

0

70

C

Note 1

The symbol (

Note 4

4