Rainbow-electronics DS1629 Uživatelský manuál stáhnout pdf (Strana 20)

DS1629

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ABSOLUTE MAXIMUM RATINGS*

Voltage on V

, Relative to Ground (Note 1) -0.3V to +7.0V

Voltage on any other pin, Relative to Ground -0.3V to (V

+0.3V)

Operating Temperature -55°C to +125°C

Storage Temperature -55°C to +125°C

Soldering Temperature 260°C for 10 seconds

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.

RECOMMENDED DC OPERATING CONDITIONS

(-55°C to +125°C; 2.2V ≤ V

≤ 5.5V)

PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES

Supply Voltage V

2.2 5.5 V

DC ELECTRICAL CHARACTERISTICS (-55°C to +125°C; 2.2V ≤ V

≤ 5.5V)

PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES

Logic 0 Input V

-0.5 0.3V

Logic 1 Input V

0.7V

+0.5 V

SDA Logic 0 Output V

OL1

0 0.4 V 2

ALRM Saturation

Voltage

OL2

ALRM

=4mA 0.4 V

Input Current

Each I/O Pin

0.4<V

I/O

<0.9

-10 +10 µA 3

=2.2V 0.1

Standby Current I

DDS

=5.0V 0.2

µA 4

=2.2V 0.3

Timekeeping Current I

DDC

=5.0V 1

µA 5

=2.2V 100

2-Wire

Communication

DD2

=5.0V 100

µA 5

=2.7V 300

Thermometer Current I

DDT

=5.0V 500

µA 5

=2.7V 500

Active Current I

=5.0V 1000

µA 5

1 2 ... 15 16 17 18 19 20 21 22

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