DS1990A-F3+

DS1990A-F3+
Serial Number iButton, Maxim, RoHS

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The DS1990A 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. Every DS1990A is factory lasered with a guaranteed unique 64-bit registration number that allows for absolute traceability. The durable stainless-steel iButton package is highly resistant to environmental hazards such as dirt, moisture, and shock. Its compact coin-shaped profile is selfaligning with mating receptacles, allowing the DS1990A to be used easily by human operators. Accessories enable the DS1990A iButton to be mounted on almost any object, including containers, pallets, and bags.

Features:

• Size F3.
• Can Be Read in Less Than 5ms
• Operating Range: 2.8V to 6.0V, -40°C to +85°C
• Unique Factory-Lasered 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts are Alike
• Built-In Multidrop Controller for 1-Wire Net
• Digital Identification by Momentary Contact
• Economically Communicates to Bus Master with a Single Digital Signal at 16.3kbps
• Durable Stainless-Steel Case Engraved with Registration Number Withstands Harsh Environments

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