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Low Power Schottky Logic – 74LS138

Rev 1.0

21/11/17

PARAMETER

SYMBOL

MIN

MAX

UNITS

Supply Voltage

4.75

5.25

V

High-Level Input Voltage

2

-

V

Low-Level Input Voltage

-

0.8

V

High-Level Output Current

-

-0.4

mA

Low-Level Output Current

-

8

mA

Operating Temperature Range

0

+85

°C

Recommended Operating Conditions

PARAMETER

SYMBOL

VALUE

UNIT

DC Supply Voltage

7.0

V

DC Input Voltage

7.0

V

Storage Temperature Range

-65 to 150

°C

LIMITS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum High-Level

Input Voltage

-

2

-

-

V

Maximum Low-Level

Input Voltage

-

-

-

0.8

V

Input Clamp Diode

Voltage

-

-0.65

-1.5

V

Output Voltage High

per Function Table

2.7

3.5

-

V

Output Voltage Low

per Truth Table

-

0.35

0.5

V

-

-

20

µA

Input High Current

-

-

0.1

mA

Input Low Current

-

-

-0.4

mA

Short Circuit Current

3

-20

-

-100

mA

Power Supply

Current (Total)

-

6.3

10

mA

2. All typical values

1.  Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings, for extended periods, may

reduce device reliability.