Maxim USB Male to Interface Adapter

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

USB to 1-Wire/iButton Adapter

The DS9490 series is a uniquely designed USB bridge and holder for a single F5-size iButton, with a high-speed 12 Mbps USB Interface, which supports standard and overdrive 1-wire communications. Slew-Rate-Controlled 1-wire timing and active pullup for improved 1-wire network performance.

The DS9490R has a RJ11 interface for standard connectivity accessories such as the DS1402D-DR8
DS9490B has an iButton® Interface and retains a fixed iButton. This Maxim product comes with a built in custom DS2401 identification chip, and the IButton is securely held behind a latched door.

Features and Benefits

High-Speed 12 Mbps 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 a 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

• iButton Initialization and Download
• Demonstration
• Development
• Software Authorization

DS9490B has an iButton Interface and Retains a Fixed iButton

Note

Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

The iButton is a computer chip enclosed in a 17mm diameter stainless steel can. Because of this unique and durable container, up-to-date information can travel with a person or object anywhere they go. It can be mounted anywhere because it is rugged enough to withstand harsh environments, indoors or outdoors. It is small and portable enough to attach to a key fob, ring, watch or other personal items. It can be used daily for applications such as access control to buildings and computers, asset management, and various data logging tasks.

Discontinued product
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