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DS9490R#

USB to 1-Wire/iButton Adapter, USB-to-1-Wire RJ11

MAXIM INTEGRATED PRODUCTS DS9490R#
MAXIM INTEGRATED PRODUCTS DS9490R#

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Manufacturer Part No:
DS9490R#
Order Code:
2519165
Product Range
DS9490
Technical Datasheet:
DS9490R#   Datasheet
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Product Range Selector (DS9490)

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Product Overview

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

Product Information

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USB to Serial Port

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iButton

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5V

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5V

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DS9490

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Technical Docs (2)

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