Analog Devices Inc./Maxim Integrated DS1982-F3 is an iButton® device featuring 1024 bits of factory-programmed, add-only EPROM memory. This component is designed for applications requiring secure, tamper-evident data storage and retrieval. The DS1982-F3 offers 128 bytes of user-accessible memory, organized in blocks for efficient data management. Its unique 1-Wire® protocol ensures simple communication and power delivery over a single data line, reducing system complexity. Operating within a temperature range of -40°C to 85°C, this device is well-suited for demanding environments. Typical applications include user and product authentication, secure key management, and data logging where data integrity is paramount. The component is supplied in bulk packaging.