... Zero standby power required. 3.ROHS DIGITAL TEMPERATURE SENSOR DS18B20: Features:· Unique 1Wire interface requires only ... the DS18B20 over a 1-Wire interface, so that only one wire (and ground)needs to be ... multiple DS18B20s can exist on the same 1-Wire bus. This allows for placing temperature sensors ... c4, The dimension and the drawing of the sensor- cable length___,probe material ___, probe diameter___ ...