Datasheet Summary
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 2.0°C resolution
- Programmable temperature-high and tem- perature-low alarm trip points
- Records up to 24 time stamps and durations when temperature leaves the range specified by the trip points
- 512 bytes of...