Dallas Semiconductor DS1990R-F5# Serial Number Ibutton

This serial number type iButton is a ruggedly, easy to use device that serves as an electronic registration number for automatic identification. Data is transferred via the 1-Wire protocol, requiring only a single signal lead plus a ground return.

Every device is factory-lasered with a guaranteeed unique 64-bit registration number, allowing for complete traceability. Suitable applications include: access control, workflow tracking, asset management, and inventory control.

• Communicates with just one signal line plus ground
• Data can be read in less than 5ms
• Unique, factory-lasered and tested 64-bit registration number
• Required only momentary contact to read memory
• Standard 1-Wire protocol
• F5 MicroCan type