DS1338U-3+T&R datasheet by Maxim Integrated Products

DS1338U-3+T&R Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the DS1338U-3+T&R?
  The recommended crystal oscillator frequency for the DS1338U-3+T&R is 32.768 kHz, which is a standard frequency for real-time clocks.
• How does the DS1338U-3+T&R handle battery switchover during power failure?
  The DS1338U-3+T&R 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 DS1338U-3+T&R in battery-backed mode?
  The typical current consumption of the DS1338U-3+T&R in battery-backed mode is around 1.5 μA, making it suitable for battery-powered applications.
• Can the DS1338U-3+T&R be used in applications that require high accuracy and stability?
  Yes, the DS1338U-3+T&R 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 DS1338U-3+T&R handle clock calibration and correction?
  The DS1338U-3+T&R has an internal clock calibration circuit that allows for automatic correction of clock errors, ensuring accurate timekeeping over time.