DS1721

14 of 17

ABSOLUTE MAXIMUM RATINGS*

Voltage on VDD, Relative to Ground

-0.3V to +6.0V

Voltage on any other pin, Related to Ground

-0.3V to +6.0V

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; 2.7V

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

NOTES

Supply Voltage

2.7

5.5

V

1

DC ELECTRICAL CHARACTERISTICS

(-55°C to +125°C; 2.7V

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

NOTES

Input Logic High

0.7

+0.3

V

1

Input Logic Low

-0.5

0.3

V

1

3 mA sink

current

0

0.4

V

1

SDA Output Logic

Low Voltage

6 mA sink

current

0

0.6

V

1

1 mA source

current

2.4

V

1

Voltage

4 mA sink

current

0.4

V

1

Input Current Each

I/O Pin

0.4V

-10

+10

µA

2

I/O Capacitance

10

pF

Standby Current

0.8

µA

3, 4

Temperature

Conversions,

-55°C to +85°C

+85°C to +125°C

1000

1250

µA

3, 4

Communication

only

110

µA

3, 4

Active Current

EEPROM Write

400

µA

3,4