The DS2431Q+T&R from Maxim Integrated is a high-security, 1-Wire EEPROM device that provides 1024 bits of serial electrically erasable and programmable read-only memory (EEPROM). This compact and reliable memory module is specifically designed for applications where secure data storage and data integrity are paramount.

Key Features

• Secure Memory: The DS2431Q+T&R features a built-in SHA-1 engine to ensure data authenticity and integrity, making it suitable for applications such as access control, secure authentication, and counterfeit protection.
• 1-Wire Interface: Utilizes Maxim's unique 1-Wire protocol, which minimizes the number of wires required for communication and provides a simple and cost-effective way to connect to a host system with a single data line plus ground.
• High Reliability: Designed to retain data for over 10 years and support over 1 million erase/write cycles, ensuring long-term data retention and device durability.
• Small Form Factor: Available in a compact SOT-23 package, making it ideal for space-constrained applications.
• Low-Power Consumption: Optimized for low-power operation, which is crucial for battery-powered and energy-sensitive applications.

Applications

The DS2431Q+T&R is versatile and can be used in a wide range of applications, including but not limited to:

• Medical device authentication
• Secure communications
• Supply chain integrity and brand protection
• Aftermarket product authentication
• Embedded systems that require secure boot or firmware update processes

Product Specifications

The DS2431Q+T&R is supplied in a tape and reel (T&R) format for ease of manufacturing and integration into automated assembly processes. The device operates over a wide temperature range, making it suitable for various industrial and commercial environments.

With its robust security features and reliable memory storage capabilities, the Maxim Integrated DS2431Q+T&R is an excellent choice for designers looking to incorporate secure EEPROM storage into their systems.