DS1397 datasheet by Dallas Semiconductor

DS1397 Frequently Asked Questions (FAQs)

• What is the maximum number of devices that can be connected to the 1-Wire bus?
  The DS1397 can support up to 256 devices on the 1-Wire bus, but the actual number of devices that can be connected depends on the specific application and the bus loading.
• How does the DS1397 handle device addressing and identification?
  The DS1397 uses a unique 64-bit ROM code to identify each device on the 1-Wire bus. The ROM code is used to address and identify devices, and it is stored in a non-volatile memory within the device.
• What is the maximum data transfer rate of the DS1397?
  The DS1397 has a maximum data transfer rate of 15.4 kbps, which is the standard data transfer rate for 1-Wire devices.
• How does the DS1397 handle power supply voltage variations?
  The DS1397 is designed to operate over a wide range of power supply voltages, from 2.8V to 5.5V. It has a built-in voltage regulator that helps to regulate the internal voltage and ensure reliable operation even with varying power supply voltages.
• Can the DS1397 be used in applications that require high accuracy and precision?
  Yes, the DS1397 is designed to provide high accuracy and precision in temperature measurement applications. It has a typical accuracy of ±1°C over the operating temperature range of -55°C to +125°C.