PCF8563T/F4,118 datasheet by NXP Semiconductors

PCF8563T/F4,118 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the PCF8563T/F4,118 can handle?
  The PCF8563T/F4,118 can handle a maximum clock frequency of 32.768 kHz, which is the typical frequency for a quartz crystal oscillator.
• How does the PCF8563T/F4,118 handle battery switchover during power failure?
  The PCF8563T/F4,118 has a built-in battery switchover circuit that automatically switches to the backup battery during power failure, ensuring continuous operation of the RTC.
• What is the accuracy of the internal oscillator in the PCF8563T/F4,118?
  The internal oscillator in the PCF8563T/F4,118 has an accuracy of ±10% over the entire operating temperature range of -40°C to 85°C.
• Can the PCF8563T/F4,118 be used in battery-powered devices?
  Yes, the PCF8563T/F4,118 is designed for use in battery-powered devices and has a low current consumption of 0.5 μA (typical) in battery-backed mode.
• How does the PCF8563T/F4,118 handle leap year corrections?
  The PCF8563T/F4,118 automatically corrects for leap years, ensuring that the RTC remains accurate over time.