Maxim Integrated DS1721S Digital Output - Bus Interface: Serial (2-Wire) Digital Output - Number Of Bits: 12 bit Full Temp Accuracy: +/- 2 C Function: Thermometer, Thermostat Lead Free Status / Rohs Status: Lead free / RoHS Compliant Maximum Operating Temperature: + 125 C Minimum Operating Temperature: - 55 C Mounting Type: Surface Mount Operating Temperature: -55?°C ~ 125?°C Output Alarm: Yes Output Fan: Yes Output Type: I??C?„?/SMBus?„? Package / Case: 8-SOIC (3.9mm Width) Sensing Temperature: -55?°C ~ 125?°C Sensor Type: Internal Series: - Topology: ADC, Comparator, Register Bank Voltage - Supply: 2.7 V ~ 5.5 V