DS1302S datasheet by Maxim Integrated Products

DS1302S Frequently Asked Questions (FAQs)

• What is the recommended crystal frequency for the DS1302S?
  The recommended crystal frequency for the DS1302S is 32.768 kHz, which is a standard frequency for real-time clocks.
• How does the DS1302S handle leap years?
  The DS1302S 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 backup battery life of the DS1302S?
  The backup battery life of the DS1302S depends on the type and capacity of the battery used. Typically, a 48mAh battery can provide up to 10 years of backup power.
• Can the DS1302S be used in a battery-powered device?
  Yes, the DS1302S is designed to be used in battery-powered devices. It has a low power consumption of 1.5µA in battery-backed mode, making it suitable for battery-powered applications.
• How accurate is the DS1302S's clock?
  The DS1302S's clock accuracy is ±2 minutes per year at 25°C, making it suitable for most applications that require a real-time clock.