• Unique 1-Wire® Interface Requires Only One
Port Pin for Communications
o Can Be Powered from Data Line
o Power-Supply Range is 3.0V to 5.5V
• Reduced Component Count with Integrated
Temperature Sensor and Interface
o Requires No External Components
o Measures temperatures from -55°C to
+125°C (-67°F to +257°F)
o ±2.0°C Accuracy from -10°C to +85°C
o Thermometer Resolution is User-Selectable
from 9 to 12 Bits
o Converts Temperature to 12-Bit Digital Word
in 750ms (max)
• Simplifies Distributed Temperature Sensing
with Multidrop Capability
o Each Device Has a Unique 64-Bit Serial
Code Stored in an On-Board Device
o Flexible, User-Definable Nonvolatile
(NV) Alarm Settings with Alarm Search
Command Identifies Devices with
Temperatures Outside Programmed
Limits
o Software compatible with the DS18B20
• Applications Include Thermostatic Controls,
Industrial Systems, Consumer Products,
Thermometers, or Any Thermally Sensitive
System