SL74LS244

System Logic

Semiconductor

SLS

MAXIMUM RATINGS

*

Symbol

Parameter

Value

Unit

Supply Voltage

7.0

V

Input Voltage

7.0

V

Output Voltage

5.5

V

Tstg

Storage Temperature Range

-65 to +150

°C

Functional operation should be restricted to the Recommended Operating Conditions.

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Max

Unit

Supply Voltage

4.75

5.25

V

High Level Input Voltage

2.0

V

Low Level Input Voltage

0.8

V

High Level Output Current

-15

mA

Low Level Output Current

24

mA

Ambient Temperature Range

0

+70

°C

DC ELECTRICAL CHARACTERISTICS over full operating conditions

Guaranteed Limit

Symbol

Parameter

Test Conditions

Min

Max

Unit

Input Clamp Voltage

-1.5

V

High Level Output Voltage

2.7

V

2.4

2.0

Low Level Output Voltage

0.4

V

0.5

Hysteresis

0.2

V

Output Off Current HIGH

20

µA

Output Off Current LOW

-20

µA

High Level Input Current

20

µA

0.1

mA

Low Level Input Current

-0.2

mA

Output Short Circuit Current

(Note 1)

-40

-225

mA

Supply

Outputs High

27

mA

Current

Outputs Low

Outputs o pen

46

All outputs

disabled

54