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DS9490-DS9490R: USB to 1-Wire/iButton Adapter Data Sheet (Rev. 3)6/13/2011PDF712K
Overview
Features and Benefits
- 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
Product Details
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.
Applications
- iButton Initialization and Download
- Demonstration
- Development
- Software Authorization
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
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iButton Data Loggers5/17/2019
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White Paper 6: 1-Wire® Drivers Installation Guide for Windows9/24/2002
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
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DS9490B# | Material Declaration | Reliability Data | N/A | |
Wafer Fabrication Data |
Support & Discussions
Sample & Buy
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Lead Times
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Sampling
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