SN74LS90

http://onsemi.com

5

Symbol

Parameter

Limits

Unit

Test Conditions

Min

Typ

Max

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Voltage for

All Inputs

Input LOW Voltage

54

0.7

V

Guaranteed Input LOW Voltage for

All Inputs

74

0.8

Input Clamp Diode Voltage

−0.65

−1.5

V

Output HIGH Voltage

54

2.5

3.5

V

74

2.7

3.5

V

Output LOW Voltage

54, 74

0.25

0.4

V

per Truth Table

74

0.35

0.5

V

Input HIGH Current

20

μA

0.1

mA

Input LOW Current

MS, MR

−0.4

−2.4

−3.2

−1.6

mA

Short Circuit Current (Note 1)

−20

−100

mA

Power Supply Current

15

mA

Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.