DS9490B - USB to 1-Wire/iButton Adapters

This page provides the datasheet information for the DS9490B, a member of the DS9490R USB to 1-Wire/iButton Adapters family.

Product Overview

Maxim Integrated

Part number	DS9490B
Manufacturer	Maxim Integrated
File Size	712.67 KB
Description	USB to 1-Wire/iButton Adapters
Datasheet	DS9490B Datasheet
Additional preview pages of the DS9490B datasheet.

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.

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.

Other Datasheets by Maxim Integrated

Published: Mar 26, 2020 |