DS9490B, DS9490R - USB to 1-Wire/iButton Adapters

Maxim Integrated

Datasheet Details

Part number	DS9490B, DS9490R
Manufacturer	Maxim Integrated
File Size	712.67 KB
Description	USB to 1-Wire/iButton Adapters
Datasheet	DS9490R-MaximIntegrated.pdf
Note	This datasheet PDF includes multiple part numbers: DS9490B, DS9490R. Please refer to the document for exact specifications by model.

The DS9490B is a USB bridge and holder for a single F5-size iButton.

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 EPR.

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Published: Mar 26, 2020 |