DS9481R-200:USB-to-1-Wire/iButton 1.8V Adapter

The DS9481R-200 is a USB-to-1-Wire® adapter for easy PC connectivity to 1-Wire devices. The adapter provides an RJ11 connector with the signals to communicate with all 1-Wire and iButton® devices that support a 1.8V data I/O level. Additionally, the adapter provides the support and signaling to program 1-Wire/iButton EEPROM devices. To provide a total hardware solution, the DS9481R-200 can readily be used with the family of DS9120 socket adapters to create a 1-Wire PC programmer for 1-Wire slave devices (contact factory for more information). The equivalent slave hardware solution for the iButton is the DS1402D-DR8.

Key Features
  • Driver Support for Windows® 8, Windows 7, and Windows Vista® Operating Systems
  • Enumerates as a Virtual PC COM Port by Use of the Prolific PL-2303HXD USB-to-UART Bridge IC
  • Emulates the DS2480B 1-Wire Line Driving Functionality
  • 1-Wire EEPROM Programming
  • 1.8V Read/Write Operation to 1-Wire/iButton Devices
  • RJ11 Interface for Standard Connectivity Accessories such as the DS9120 Family of Socket Adapters
  • Supports Standard and Overdrive 1-Wire Communication
  • Provides Strong Pullup to 1.8V
  • Fully Compliant with USB 2.0 Specification
Applications/Uses
  • Identification and authentication of consumables
  • Reference Design License Management
  • Sensor/Accessory Authentication and Calibration
  • System Intellectual Property Protection
DataSheet
TitleDownload file
DS9481R-200 Data SheetDS9481R-200.pdf
Ordering Information
Part NumberStatusRecommended ReplacementPackage
DS9481R-200#ActiveEVKIT;
DS9481R-200.pdf DS9481R-200