Unique 1-Wire® Interface Requires Only One Port Pin for Communication

● Reduce Component Count with Integrated Temperature Sensor and EEPROM

     • Measures Temperatures from -55°C to +125°C (-67°F to +257°F)

     • ±0.5°C Accuracy from -10°C to +85°C

     • Programmable Resolution from 9 Bits to 12 Bits 

     • No External Components Required

● Parasitic Power Mode Requires Only 2 Pins for Operation (DQ and GND)

● Simplifies Distributed Temperature-Sensing Applications with Multidrop Capability

     • Each Device Has a Unique 64-Bit Serial Code Stored in On-Board ROM

● Flexible User-Definable Nonvolatile (NV) Alarm Settings with Alarm Search Command Identifies Devices with Temperatures Outside Programmed Limits

● Available in 8-Pin SO (150 mils), 8-Pin µSOP, and 3-Pin TO-92 Packages

DS18B20 18B20 TO-92 IC Temperature Sensor