DS1920

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ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

-0.5V to +7.0V

Operating Temperature

-55°C to +100°C

Storage Temperature

-55°C to +100°C

∗ This is a stress rating only and functional operation of the device at these or any other conditions

above those indicated in the operation sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods of time may affect reliability.

DC ELECTRICAL CONDITIONS

(-55°C to +100°C)

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

NOTES

Pull up Voltage

I/O Functions

+½°C Accurate

Temperature

Conversions

2.8

4.3

5.0

6.0

6.0

V

V

1,2

Logic 1

2.2

V

2

Logic 0

-0.3

+0.8

V

2, 10

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

NOTES

0

°C to + 70 °C

+½

°C

11

Thermometer

Error

-55

°C to +0°C

and + 70

°C to

+100

°C

SEE TYPICAL CURVE

11

Active Current

1000

1500

µA

3,4

Input Load

Current

5

µA

Output Logic

Low @ 4 mA

0.4

V

2

CAPACITANCE

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

I/O (1- Wire)

800

pF

9

AC ELECTRICAL CHARACTERISTICS; TEMPERATURE CONVERSION AND

COPY SCRATCHPAD

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Temperature Conversion

0.2

0.5

seconds

Copy Scratchpad

10

ms

5