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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.
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
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 |
| Budgetary Price (See Notes) | $20.00 @1k |
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Technical Docs
| Data Sheet | USB to 1-Wire/iButton Adapter | Jun 13, 2011 | |
| App Note | Instructions for Compiling the OneWireViewer for Linux | ||
| User Guide | OneWireViewer User Guide | ||
| App Note | White Paper 6: 1-Wire® Drivers Installation Guide for Windows |
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Additional Resources
Software Authorization Kit (a free software development kit with source) Software Authorization Kit (a free software development kit with source)
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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 |
| Budgetary Price (See Notes) | $20.00 @1k |
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 | Instructions for Compiling the OneWireViewer for Linux | ||
| User Guide | OneWireViewer User Guide | ||
| App Note | White Paper 6: 1-Wire® Drivers Installation Guide for Windows |
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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