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18B20

Dallas Semiconductor
Part Number 18B20
Manufacturer Dallas Semiconductor
Description DS18B20
Published May 12, 2009
Detailed Description Click here for production status of specific part numbers. DS18B20 Programmable Resolution 1-Wire Digital Thermometer ...
Datasheet PDF File 18B20 PDF File

18B20
18B20

Overview
Click here for production status of specific part numbers.
DS18B20 Programmable Resolution 1-Wire Digital Thermometer General Description The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points.
The DS18B20 communicates over a 1-Wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor.
In addition, the DS18B20 can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply.
Each DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to func...


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