DS1990A-F5+ datasheet by Maxim Integrated Products

DS1990A-F5+ Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the DS1990A-F5+?
  The DS1990A-F5+ can operate over a temperature range of -40°C to +85°C.
• How do I program the 1-Wire bus master to communicate with the DS1990A-F5+?
  The DS1990A-F5+ uses a standard 1-Wire protocol. The bus master should send a reset pulse, followed by a ROM command, and then the device address. The device will respond with its 64-bit ROM code.
• What is the maximum current consumption of the DS1990A-F5+?
  The maximum current consumption of the DS1990A-F5+ is 1.5mA during active operation and 2μA in standby mode.
• How do I ensure data integrity when writing to the DS1990A-F5+?
  Use the built-in CRC-16 error-checking mechanism to ensure data integrity. The DS1990A-F5+ calculates the CRC-16 checksum and appends it to the data. The host can verify the checksum to ensure data integrity.
• Can I use the DS1990A-F5+ in a multi-drop configuration?
  Yes, the DS1990A-F5+ supports multi-drop configurations. Each device has a unique 64-bit ROM code, allowing multiple devices to be connected to the same 1-Wire bus.