Maxim Integrated DS28E11P+ Secure Authenticator

The DS28E11P+ is a robust secure authenticator from Maxim Integrated, designed to provide a high level of security for hardware authentication and device integrity verification. This compact, high-quality IC is an integral component for systems that require protection against counterfeiting, unauthorized usage, and other forms of tampering.

At the heart of the DS28E11P+ is a FIPS/NIST-compliant SHA-256 cryptographic engine, which ensures that digital signatures are processed using secure hash algorithms. This cryptographic engine is paired with a 1024-bit one-time programmable (OTP) memory, where a unique 64-bit ROM identification number, a 384-bit secret, and additional user-programmable data can be stored securely. The combination of these features makes it nearly impossible for malicious parties to replicate or bypass the security measures implemented by the DS28E11P+.

The device operates over a wide voltage range of 3.3V to 5.5V and is specified for the -40°C to +85°C extended temperature range, making it versatile for various industrial applications. It communicates over the single-contact 1-Wire® interface, which requires only one data lead and a ground return, minimizing the complexity and cost of the system's interconnect.

Furthermore, the DS28E11P+ incorporates Maxim Integrated's ChipDNA™ physically unclonable function (PUF) technology. This PUF circuitry provides an additional layer of protection by generating a unique cryptographic key that is not stored in non-volatile memory, thus significantly reducing the risk of key exposure through physical attacks on the device.

With its compact 6-pin TSOC package, the DS28E11P+ is an excellent choice for applications where board space is at a premium. It is commonly used in medical devices, IoT endpoints, consumable authentication, embedded systems, and peripheral accessories, where ensuring the authenticity and integrity of the product is of the utmost importance.

Overall, the DS28E11P+ secure authenticator from Maxim Integrated stands out as a reliable and cost-effective solution for protecting your products and systems against the ever-evolving threats of counterfeiting and tampering.