19-6322; Rev 6/12 DS1821 Programmable Digital Thermostat and Thermometer 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) centigrade temperature measurements  Accuracy is ±1°C over 0°C to +85°C range  Converts temperature to a digital word in 1 second (max)  Available in 3-pin TO92 and 8-pin SO packages  Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system 1-Wire is a regi...

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