DS18S20 = DS1820 TO-92

High-Precision 1-Wire Digital Thermometer

Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr

Benefits and Features
? Unique 1-Wire® Interface Requires Only One Port
Pin for Communication
? Maximize System Accuracy in Broad Range of
Thermal Management Applications
• Measures Temperatures from -55°C to +125°C
(-67°F to +257°F)
• ±0.5°C Accuracy from -10°C to +85°C
• 9-Bit Resolution
• No External Components Required
? Parasite 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) and 3-Pin TO-92
Packages