DS1302ZN+ datasheet by Maxim Integrated Products

DS1302ZN+ Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the DS1302ZN+?
  The recommended crystal oscillator frequency for the DS1302ZN+ is 32.768 kHz.
• How does the DS1302ZN+ handle leap years?
  The DS1302ZN+ automatically accounts for leap years, so no external intervention is required.
• What is the backup battery life of the DS1302ZN+?
  The backup battery life of the DS1302ZN+ is typically 10 years, assuming a 48-mAh battery and a 1-μA current drain.
• Can the DS1302ZN+ be used in a battery-backed SRAM application?
  Yes, the DS1302ZN+ can be used in a battery-backed SRAM application, providing a nonvolatile memory solution.
• How does the DS1302ZN+ handle power failures?
  The DS1302ZN+ automatically switches to battery backup power in the event of a power failure, ensuring that the clock and RAM data are preserved.