SL74LS157

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

-0.4

mA

Low Level Output Current

8.0

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

Low Level Output Voltage

0.4

V

0.5

High Level Input Current

for pins 1,15

40

µA

A or B input

20

for pins 1,15

0.2

mA

A or B input

0.1

Low Level Input Current

for pins 1,15

-0.8

mA

A or B input

-0.4

Output Short Circuit Current

(Note 1)

-20

-100

mA

Supply Current

16

mA

Note 1: Not more than one output should be shorted at a time, and the duration should not exceed one second.