DS1220AB-200+ datasheet by Maxim Integrated Products

DS1220AB-200+ Frequently Asked Questions (FAQs)

• What is the recommended operating temperature range for the DS1220AB-200+?
  The recommended operating temperature range for the DS1220AB-200+ is -40°C to +85°C.
• How do I ensure the accuracy of the real-time clock (RTC) in the DS1220AB-200+?
  To ensure the accuracy of the RTC, use a high-quality crystal oscillator and ensure that the device is operated within the recommended temperature range. Additionally, use a reliable power source and avoid exposing the device to electromagnetic interference (EMI).
• Can I use the DS1220AB-200+ in a battery-backed SRAM application?
  Yes, the DS1220AB-200+ can be used in a battery-backed SRAM application. The device has a built-in battery switch and a low-battery detector, making it suitable for battery-backed SRAM applications.
• How do I interface the DS1220AB-200+ with a microcontroller?
  The DS1220AB-200+ can be interfaced with a microcontroller using a serial interface such as I2C or SPI. The device has a built-in serial interface that allows it to communicate with a microcontroller.
• What is the purpose of the VCC pin on the DS1220AB-200+?
  The VCC pin on the DS1220AB-200+ is the power supply pin for the device. It should be connected to a reliable power source, such as a battery or a regulated power supply.