The DS28E02Q-W01+8T from Maxim Integrated is a robust secure authentication chip designed to provide a high level of security for a wide range of applications. This chip is part of the secure authenticator series, which utilizes Maxim's expertise in security to protect against counterfeiting, unauthorized usage, and other threats.

Key Features

• Secure Memory: The device includes 1024 bits of secured EEPROM memory partitioned into four pages, providing ample space for storage of sensitive data such as cryptographic keys, manufacturing data, or device configuration settings.
• Challenge-Response Authentication: The DS28E02Q-W01+8T employs a challenge-response scheme based on a SHA-256 hash algorithm, ensuring that only authorized devices can access the system and data.
• Unique 64-Bit Serial Number: Each chip comes with a factory-programmed 64-bit serial number that cannot be altered, providing a unique identity for each device.
• High-Security Features: The product includes additional security measures such as write protection, secure page locking, and a decrement-only counter to prevent tampering and unauthorized access.
• 1-Wire Interface: The device operates on a single contact serial interface, which simplifies system integration and reduces the complexity and cost of the associated hardware.

Applications

The DS28E02Q-W01+8T is suitable for a variety of applications that require secure data storage and authentication. These include:

• Accessory and peripheral authentication
• Medical device authentication and calibration
• Secure data storage and management
• Supply chain integrity and brand protection

Technical Specifications

The device is specified for operation over the standard -40°C to +85°C temperature range. It is available in a compact 6-pin TSOC package, making it ideal for space-constrained applications.

Maxim Integrated's commitment to quality and reliability is evident in the DS28E02Q-W01+8T, which is designed to meet the high standards required for secure systems. This secure authentication chip is a testament to Maxim's leadership in providing advanced security solutions for modern electronic systems.