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DS9490
Interface Universal Serial Bus (USB) DS9490
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DS9490

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USB to 1-Wire/iButton Adapter

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Product Details

See parametric specs for iButton Readers and Adapters

Key Features

See parametric specs for iButton Readers and Adapters
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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See parametric specs for iButton Readers and Adapters
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Simplified Block Diagram

Technical Docs

Data Sheet USB to 1-Wire/iButton Adapter Jun 13, 2011
User Guide OneWireViewer User Guide | Maxim Integrated
App Note Instructions for Compiling the OneWireViewer for Linux
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 Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.

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
Compare products in Family
See parametric specs for iButton Readers and Adapters

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.

Simplified Block Diagram

DS9490B, DS9490R: Typical Operating Circuit. DS9490B, DS9490R: Typical Operating Circuit. Zoom icon

Technical Docs

Data Sheet USB to 1-Wire/iButton Adapter Jun 13, 2011
User Guide OneWireViewer User Guide | Maxim Integrated
App Note Instructions for Compiling the OneWireViewer for Linux
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 Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.