DS9490R#

DS9490R# is a USB bridge with 1-wire RJ11 interface to accommodate 1-wire receptacles and networks. Its based on the DS2490 USB-to-1-wire bridge chip that enables communication between a USB host system and a 1-wire bus. It provides regular, overdrive, and flexible 1-wire communication speeds and a full speed 12Mbps connection to USB. USB vendor specific commands defined in this specification are used to control the DS2490 and communicate with attached 1-wire devices.

• High speed 12Mbps USB interface
• Supports standard and overdrive 1-wire communication
• Slew rate controlled 1-wire timing and active pull up for improved 1-wire network performance
• RJ11 interface for standard connectivity (accessories such as the DS1402D-DR8)
• Built in custom DS2401 identification chip
• Reads all 1-wire and writes all except EPROM 1-wire devices

Applications

Communications & Networking

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party