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DS1921L-F5X - Thermochron iButton

Key Features

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  • Digital thermometer measures temperature in 0.5°C increments (accuracy ±1.0°C).
  • Built-in real-time clock (RTC) and timer has accuracy of ±2 minutes per month from 0°C to 45°C.
  • Automatically wakes up and measures tem- perature at user-programmable intervals from 1 to 255 minutes.
  • Logs up to 2048 consecutive temperature measurements in protected nonvolatile (NV) memory.
  • Records a long-term temperature histogram with 2.0°C resolution.
  • Programmable temperature-hig.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
DS1921G Thermochron iButton Device
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DS1921Z High-Resolution Thermochron iButton Devices
DS1920 Temperature iButton
DS1922L iButton Temperature Loggers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DS1921L-F5X Thermochron® iButton® SPECIAL FEATURES*  Digital thermometer measures temperature in 0.5°C increments (accuracy ±1.0°C)  Built-in real-time clock (RTC) and timer has accuracy of ±2 minutes per month from 0°C to 45°C  Automatically wakes up and measures tem- perature at user-programmable intervals from 1 to 255 minutes  Logs up to 2048 consecutive temperature measurements in protected nonvolatile (NV) memory  Records a long-term temperature histogram with 2.