The DS9490B is a USB bridge and holder for a single F5-size iButton®. The iButton is securely held behind a latched door. The DS9490R is a USB bridge with 1-Wire® RJ11 interface to accommodate 1-Wire receptacles and networks. The DS1402D-DR8 (Blue Dot™) can readily be used in conjunction with the DS9490R to create an iButton PC reader. Both adapters are based on the DS2490 USB to 1-Wire bridge chip.
PC software drivers for Windows® 98, Windows 2000, Windows ME, and Windows XP can be found on the iButton website under software support at: iButton: 1-Wire Drivers for Windows.
Key Features
Applications/Uses
High-Speed 12Mbps Universal Serial Bus (USB) Interface
Supports Standard and Overdrive 1-Wire Communication
Slew-Rate-Controlled 1-Wire Timing and Active Pullup 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
Notes: *This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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