iButton USB Dongle

Product Selection Menu

DS9490 | iButton USB Adaptor for downloading data

Average ETA for Additional Units 1-2 Days
Product Datasheet Download

The DS9490R is a USB bridge with 1-Wire RJ11 interface to accommodate 1-Wire receptacles and networks. This adapter is based on the DS2490 USB to 1-Wire bridge chip.

The DS9490B is a USB bridge and holder for a single F5-size iButton. The iButton is securely held behind a latched door. This adapter is based on the DS2490 USB to 1-Wire bridge chip. Not recommended for multiple button insertions.

  • High-Speed 12Mbps Universal Serial Bus (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
  • DS9490R has an RJ11 Interface for Standard Connectivity Accessories such as the DS1402D-DR8
  • DS9490B has an iButton Interface and Retains a Fixed iButton
  • Built-In Custom DS2401 Identification Chip
  • Reads all 1-Wire and iButton Devices
  • Writes All Except EPROM 1-Wire/iButton Devices
Part Number Product Description
DS9490R iButton USB to RJ12 adaptor
DS9490B iButton Holder (Stand alone) - USB to iButton Receptacle Dongle