Maxim Integrated DS1985-F3+ iButton Memory Device

The DS1985-F3+ from Maxim Integrated is a robust, 16kb memory iButton device that provides a durable solution for data storage and secure token applications. Designed with a unique stainless steel can, this iButton is engineered to withstand harsh environments, making it ideal for use in applications that require a portable, yet durable memory device.

With its 16kb of nonvolatile EEPROM memory, the DS1985-F3+ offers ample storage for data logging, authentication, or storing calibration constants. The memory is organized into 512 pages of 32 bytes each, and the device features a write cycle counter for each page to ensure data integrity. The memory can be accessed through a simple serial interface, which requires only a single data line and a ground return.

One of the key features of the DS1985-F3+ is its ability to be securely attached to objects, including key fobs, equipment, and other valuable assets. This feature makes it an excellent choice for asset management and tracking applications. The chip's unique, factory-lasered and tested 64-bit registration number ensures that each iButton is absolutely unique, which is critical for security-dependent applications.

The device is powered by the 1-Wire protocol, which allows power and communication to be delivered over a single data line, simplifying integration into designs and systems. The iButton form factor and 1-Wire protocol ensure that the DS1985-F3+ is easy to use with a touch-and-go interface, which is both user-friendly and efficient.

Maxim Integrated's DS1985-F3+ iButton is designed for a wide range of applications, including access control, work-in-progress tracking, electronic cash, and mobile asset tracking. Its high-reliability design ensures that it can perform in industrial temperatures ranging from -40°C to +85°C, making it suitable for outdoor and demanding industrial environments.

Overall, the DS1985-F3+ offers a secure and reliable way to store and transfer data with the durability and convenience expected from Maxim Integrated's iButton products.