Maxim Integrated DS28C22Q+T Secure Authenticator

The Maxim Integrated DS28C22Q+T is a highly secure, SHA-256-based authenticator that provides robust protection for managing data and ensuring the integrity of products and systems. This compact and efficient device is designed to safeguard communication between components or systems, making it an ideal solution for preventing counterfeiting and ensuring product authenticity in a variety of applications.

Featuring a high-level cryptographic algorithm, the DS28C22Q+T uses SHA-256 hashing with a 256-bit secret for challenge-and-response authentication. This level of security ensures that data is protected from tampering and unauthorized access, thus providing peace of mind for manufacturers and end-users alike.

The device includes a secure memory for storing sensitive data, such as cryptographic keys, control data, and user data, which can be accessed only through authenticated commands. The 2Kb of user EEPROM is partitioned into four pages, and each page can be individually set with different access rights, giving users the flexibility to configure the device according to their specific security needs.

Moreover, the DS28C22Q+T offers a unique, factory-programmed 64-bit registration number that prevents duplication and ensures each device's individuality. This feature is particularly useful in supply chain management and product tracking, providing a reliable means of tracing products back to their source.

Designed for easy integration, this secure authenticator comes in a compact, 6-pin TDFN package, making it suitable for space-constrained applications. It operates over the -40°C to +85°C temperature range, ensuring reliable performance across various environments. The device communicates over a single-contact 1-Wire® interface, requiring minimal external components and simplifying the design process.

The DS28C22Q+T is a powerful tool for designers looking to enhance the security of their systems. Whether it's for protecting intellectual property, securing medical devices, or ensuring the authenticity of consumer products, this secure authenticator from Maxim Integrated offers a high level of protection against a wide range of security threats.