DS18B20 전자부품 데이터시트

AVAILABLE DESCRIPTION The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile userprogrammable upper and lower trigger points. The DS18B20 communicates over a 1-Wire bus that by defi

www.dalsemi.com FEATURES Unique 1-Wire interface requires only one port pin for communication Multidrop capability simplifies distributed temperature sensing applications Requires no external components Can be powered from data line. Power supply range is 3.0V

m o .c U 4 t e e www.dalsemi.com h S FEATURES a t interface requires only one • Unique a 1-wire port pin for communication D . • Derives power from data line (“parasite w power”)—does not need a local power supply w • Multi-drop capability simplifi

DS18B20X Flipchip 1-Wire Digital Thermometer ® www.dalsemi.com FEATURES • • • • • • Unique 1-wire interface requires only one port pin for communication Each device has a unique 64-bit serial code stored in an on-board ROM Mu