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DS1921Z

Maxim Integrated
Part Number DS1921Z
Manufacturer Maxim Integrated
Description High-Resolution Thermochron iButton Devices
Published Apr 18, 2019
Detailed Description DS1921H/DS1921Z High-Resolution Thermochron iButton Devices SPECIAL FEATURES  Digital thermometer measures temperature...
Datasheet PDF File DS1921Z PDF File

DS1921Z
DS1921Z

Overview
DS1921H/DS1921Z High-Resolution Thermochron iButton Devices SPECIAL FEATURES  Digital thermometer measures temperature in 1/8°C increments with ±1°C accuracy  Built-in real-time clock (RTC) and timer has accuracy of ±2 minutes per month from 0°C to +45°C  Water resistant or waterproof if placed inside DS9107 iButton® capsule (Exceeds Water Resistant 3 ATM requirements)  Automatically wakes up and measures temperature at user-programmable intervals from 1 to 255 minutes  Logs consecutive temperature measurements in 2KB of datalog memory  Records a long-term temperature histogram with 1/2°C resolution  Programmable temperature-high and temperature-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 general-purpose battery-backed SRAM  Communicates to host with a single digital signal at 15.
4kbits or 125kbits per second using 1-Wire® protocol  Fixed range: ...


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