Analog Devices Inc./Maxim Integrated DS1971-F3 is a 256Kbit iButton® EEPROM device offering robust data storage in a compact, durable form factor. This memory card component, utilizing EEPROM technology, provides 32 Bytes of user-accessible memory. Engineered for reliability, it operates across a wide temperature range of -40°C to 85°C, making it suitable for demanding environments. The iButton® series is widely adopted for applications requiring secure user and product authentication, asset tracking, and data logging. Its unique construction ensures durability and tamper resistance.