DS1302S-16/T&R datasheet by Maxim Integrated Products

DS1302S-16/T&R Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the DS1302S-16/T&R?
  The recommended crystal oscillator frequency for the DS1302S-16/T&R is 32.768 kHz, which is a standard frequency for real-time clocks.
• How does the DS1302S-16/T&R handle leap years?
  The DS1302S-16/T&R automatically handles leap years, taking into account the extra day in February for years that are divisible by 4 (e.g., 2020, 2024, etc.).
• What is the maximum number of bytes that can be written to the DS1302S-16/T&R's RAM?
  The DS1302S-16/T&R has 31 bytes of RAM, and all 31 bytes can be written to by the user.
• Can the DS1302S-16/T&R operate in a 5V system?
  Yes, the DS1302S-16/T&R can operate in a 5V system, but it is recommended to use a 3.3V system for optimal performance and to reduce power consumption.
• How does the DS1302S-16/T&R handle power failures?
  The DS1302S-16/T&R has a built-in battery switchover circuit that automatically switches to the backup battery in the event of a power failure, ensuring that the clock and RAM contents are preserved.