The recommended crystal oscillator frequency for the DS3231MZ/V+T is 32.768 kHz.
The internal oscillator of the DS3231MZ/V+T has an accuracy of ±2 ppm at 25°C, which is sufficient for most applications.
Yes, the DS3231MZ/V+T can operate in a wide temperature range of -40°C to +85°C, making it suitable for industrial and automotive applications.
The DS3231MZ/V+T has a built-in battery backup switch that automatically switches to the backup battery when the main power supply fails, ensuring that the RTC continues to run.
The EOSC pin is an output that indicates when the oscillator is enabled or disabled, allowing the system to detect when the RTC is running or not.
