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Key Features
Applications/Uses
Parametric specs for iButton Readers and Adapters
| Features | F5 Package Compatible Permanently/Semi-permanently Retains an iButton USB Port USB Port Adapters With ID |
| Overview | DS9490B USB iButton Holder |
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Simplified Block Diagram
Technical Docs
| Data Sheet | USB to 1-Wire/iButton Adapter | Jun 13, 2011 | |
| App Note | White Paper 6: 1-Wire® Drivers Installation Guide for Windows | ||
| User Guide | OneWireViewer User Guide | ||
| App Note | Instructions for Compiling the OneWireViewer for Linux |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Parameters
Parametric specs for iButton Readers and Adapters
| Features | F5 Package Compatible Permanently/Semi-permanently Retains an iButton USB Port USB Port Adapters With ID |
| Overview | DS9490B USB iButton Holder |
Key Features
- 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
Applications/Uses
- iButton Initialization and Download
- Demonstration
- Development
- Software Authorization
Description
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. For a list of suitable 1-Wire network cables, refer to the Connectivity Matrix table in the DS1402x 1-Wire network cables data sheet. Both adapters are based on the DS2490 USB-to-1-Wire bridge chip. Free software drivers for Windows®-based PCs can be downloaded from www.maximintegrated.com/1-Wiredrivers.
Technical Docs
| Data Sheet | USB to 1-Wire/iButton Adapter | Jun 13, 2011 | |
| App Note | White Paper 6: 1-Wire® Drivers Installation Guide for Windows | ||
| User Guide | OneWireViewer User Guide | ||
| App Note | Instructions for Compiling the OneWireViewer for Linux |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
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