DS1821 Datasheet - Maxim Integrated

DS1821, Programmable Digital Thermostat/Thermometer

19-6322; Rev 6/12 DS1821 Programmable Digital Thermostat and Thermometer .
GND - Ground DQ - Data In/Out and Thermostat O.

Features

* Requires no external components
* Unique 1-Wire® interface requires only one port pin for communication
* Operates over a -55°C to +125°C (-67°F to +257°F) temperature range
* Functions as a standalone thermostat with user-definable trip-points
* Provides 8-bit (1°C resolution)

Applications

* include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system 1-Wire is a registered trademark of Maxim Integrated Products, Inc. PIN ASSIGNMENT DS1821 12 3 DQ GND NC NC 1 2 3 4 DS1821S 8 VDD 7 NC 6 NC 5 NC 8-pin 208-mil SO (DS1821S) GN

DS1821-MaximIntegrated.pdf