Temperature iButton

SPECIAL FEATURES
- Digital Thermometer Measures Temperatures from -55°C to +100°C in Typically 0.2s
- Zero Standby Power
- 0.5°C Resolution, Digital Temperature Reading is Two’s Complement of °C Value
- Access to Internal Counters Allows Increased Resolution Through Interpolation
- Reduces control, Address, Data, and Power to a Single Data Contact
- 8-Bit Device-Generated CRC for Data Integrity
- 8-Bit Family Code Specifies DS1920 Communications Requirements to Reader
- Special Command Set Allows User to Skip ROM Section and Perform Temperature Measurements Simultaneously for All Devices on the Bus
- 2 Bytes of EEPROM to Be Used Either as Alarm Triggers or User Memory
- Alarm Search Directly Indicates Which Device Senses Alarming Temperatures