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4

DM74LS373 Switching Characteristics

DM74LS374 Recommended Operating Conditions

Note 7: The symbol (

↑) indicates the rising edge of the clock pulse is used for reference.

Symbol

Parameter

From (Input)

Units

To (Output)

Min

Max

Min

Max

Propagation Delay Time

Data to Q

18

26

ns

LOW-to-HIGH Level Output

Propagation Delay Time

Data to Q

18

27

ns

HIGH-to-LOW Level Output

Propagation Delay Time

Enable to Q

30

38

ns

LOW-to-HIGH Level Output

Propagation Delay Time

Enable to Q

30

36

ns

HIGH-to-LOW Level Output

Output Enable Time

Output Control to Any Q

28

36

ns

to HIGH Level Output

Output Enable Time

Output Control to Any Q

36

50

ns

to LOW Level Output

Output Disable Time

Output Control to Any Q

20

ns

from HIGH Level Output (Note 6)

Output Disable Time

Output Control to Any Q

25

ns

from LOW Level Output (Note 6)

Symbol

Parameter

Min

Nom

Max

Units

Supply Voltage

4.75

5

5.25

V

HIGH Level Input Voltage

2

V

LOW Level Input Voltage

0.8

V

HIGH Level Output Current

−2.6

mA

LOW Level Output Current

24

mA

Pulse Width

Clock HIGH

15

ns

(Note 8)

Clock LOW

15

Data Setup Time (Note 7) (Note 8)

20

↑

ns

Data Hold Time (Note 7) (Note 8)

1

↑

ns

Free Air Operating Temperature

0

70

°C