DS1220Y-200IND+ datasheet by Maxim Integrated Products

DS1220Y-200IND+ Frequently Asked Questions (FAQs)

• What is the recommended operating temperature range for the DS1220Y-200IND+?
  The recommended operating temperature range for the DS1220Y-200IND+ is -40°C to +85°C.
• How do I ensure the accuracy of the real-time clock (RTC) in the DS1220Y-200IND+?
  To ensure the accuracy of the RTC, use a high-quality crystal oscillator and follow the recommended crystal specifications. Also, ensure that the device is properly calibrated during manufacturing and that the battery is fresh.
• Can I use the DS1220Y-200IND+ in a battery-backed SRAM application?
  Yes, the DS1220Y-200IND+ is suitable for battery-backed SRAM applications. The device has a built-in battery switch and a low-battery detector to ensure reliable operation.
• How do I interface the DS1220Y-200IND+ with a microcontroller?
  The DS1220Y-200IND+ can be interfaced with a microcontroller using a 3-wire serial interface (SCL, SDA, and RST). The device is compatible with most microcontrollers and can be controlled using standard I2C commands.
• What is the purpose of the RST pin on the DS1220Y-200IND+?
  The RST pin is an active-low reset input that resets the device when pulled low. It is used to initialize the device and restore its default settings.