DS1629 2-Wire Digital Thermometer and Real-Time Clock FEATURES  Measures Temperatures from -55°C to +125°C; Fahrenheit Equivalent is -67°F to 257°F  Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap Year Compensation Through the Year 2100  Thermometer Accuracy is ±2.
0°C (typ)  Thermometer Resolution is 9 Bits (Expandable)  Thermostatic and Time Alarm Settings Are User Definable; Dedicated Open-Drain Alarm Output  32 Bytes SRAM for General Data Storage  Data is Read From/Written to via a 2-Wire Serial Interface (Open Drain I/O Lines)  Wide Power Supply Range (2.
2V to 5.
5V)  Applications Include PCs/PDAs, Cellular Telephones...

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