DS1338Z-18+ datasheet by Maxim Integrated Products

DS1338Z-18+ Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the DS1338Z-18+?
  The recommended crystal oscillator frequency for the DS1338Z-18+ is 32.768 kHz.
• How do I ensure the accuracy of the real-time clock (RTC) in the DS1338Z-18+?
  To ensure the accuracy of the RTC, use a high-quality crystal oscillator, ensure proper power supply decoupling, and minimize noise on the VCC and GND pins.
• What is the maximum operating temperature range for the DS1338Z-18+?
  The maximum operating temperature range for the DS1338Z-18+ is -40°C to +85°C.
• Can I use the DS1338Z-18+ in a battery-backed SRAM application?
  Yes, the DS1338Z-18+ can be used in a battery-backed SRAM application, but ensure that the battery voltage is within the recommended range (2.7V to 5.5V) and that the battery is properly connected to the VBAT pin.
• How do I reset the DS1338Z-18+ to its default state?
  To reset the DS1338Z-18+ to its default state, apply a low signal to the RST pin for at least 100 ns.