1-Wire® products provide combinations of memory, mixed signal, and secure authentication functions via a single contact serial interface. With both power and communication delivered over the serial protocol, 1-Wire devices are unmatched in their ability to provide key functions to systems where interconnect must be minimized.

1-Wire Product Features:

  • Single Contact Sufficient for Control and Operation
  • Unique ID Factory-Lasered into Each Device
  • Power Derived from Signal Bus ("Parasitically Powered")
  • Multidrop Capable: Supports Multiple Devices on Single Line
  • Exceptional ESD Performance
1-Wire Block Diagram Enlarge+


1-Wire® Technology Overview—Part 2
9:44 min
October 2019

9:44 min
October 2019