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Interface Bridge, USB to RJ11, 1-Wire, 12Mbps, 5V

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Manufacturer Part No:
Newark Part No.:
Technical Datasheet:
DS9490R#   Datasheet
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Product Overview

DS9490R# is a USB bridge with 1-wire RJ11 interface to accommodate 1-wire receptacles and networks. Its based on the DS2490 USB-to-1-wire bridge chip that enables communication between a USB host system and a 1-wire bus. It provides regular, overdrive, and flexible 1-wire communication speeds and a full speed 12Mbps connection to USB. USB vendor specific commands defined in this specification are used to control the DS2490 and communicate with attached 1-wire devices.
  • High speed 12Mbps USB interface
  • Supports standard and overdrive 1-wire communication
  • Slew rate controlled 1-wire timing and active pull up for improved 1-wire network performance
  • RJ11 interface for standard connectivity (accessories such as the DS1402D-DR8)
  • Built in custom DS2401 identification chip
  • Reads all 1-wire and writes all except EPROM 1-wire devices


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USB to RJ11






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Technical Documents (2)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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