DS1990R - Serial Number IButton

Product Overview

Maxim Integrated Products

Part number	DS1990R
Manufacturer	Maxim Integrated Products
File Size	160.15 KB
Description	Serial Number IButton
Datasheet	DS1990R Datasheet
Additional preview pages of the DS1990R datasheet.

The DS1990R Serial Number iButton is a rugged data carrier that serves as an electronic registration number for automatic identification.

Data is transferred serially through the 1-Wire protocol, which requires only a single data lead and a ground return.

Upgrade of DS1990A Guarantees Presence Pulse on Contact Can be Read in Less Than 5ms Operating Range: 2.8V to 6.0V, -40°C to +85°C COMMON iButton.

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Published: Nov 4, 2009 |