DS1302SN datasheet by Maxim Integrated Products

DS1302SN Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the DS1302SN?
  The recommended crystal oscillator frequency for the DS1302SN is 32.768 kHz.
• How does the DS1302SN handle leap years?
  The DS1302SN automatically accounts for leap years, so no additional programming is required.
• What is the backup battery life of the DS1302SN?
  The backup battery life of the DS1302SN is typically 10 years, assuming a 48mAh battery and a 1uA current drain.
• Can the DS1302SN be used in a battery-backed SRAM application?
  Yes, the DS1302SN can be used in a battery-backed SRAM application, providing a non-volatile memory solution.
• How accurate is the DS1302SN's internal clock?
  The DS1302SN's internal clock has an accuracy of ±20 ppm (parts per million) over the operating temperature range.