DS1339C-3 datasheet by Maxim Integrated Products

DS1339C-3 Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the DS1339C-3?
  The recommended crystal oscillator frequency for the DS1339C-3 is 32.768 kHz, which is a standard frequency for real-time clocks.
• How does the DS1339C-3 handle battery switchover during power failure?
  The DS1339C-3 has an internal switchover circuit that automatically switches to the backup battery during power failure, ensuring continuous operation of the real-time clock.
• What is the typical current consumption of the DS1339C-3 in battery-backed mode?
  The typical current consumption of the DS1339C-3 in battery-backed mode is around 1.5 μA, making it suitable for battery-powered applications.
• Can the DS1339C-3 be used in applications that require high accuracy and stability?
  Yes, the DS1339C-3 is designed to provide high accuracy and stability, with a typical accuracy of ±2 minutes per year and a temperature range of -40°C to +85°C.
• How does the DS1339C-3 handle clock calibration and correction?
  The DS1339C-3 has an internal clock calibration circuit that allows for automatic correction of the clock frequency, ensuring accurate timekeeping over temperature and aging.