Contactless memories

Infineon's my-d™ products are available in plain mode with open memory access and in secure mode with memory access controlled by authentication procedures. Architectural interoperability of my-d™ products enables an easy migration from simple to more demanding applications.

•  Providing different memory sizes
• Featuring NFC Forum™ Type 2 Tag functionality
• Incorporating security features to enable considerable flexibility in the application design

Flexible controls within the my-d™ devices start with plain mode operation featuring individual page locking; for more complex applications various settings in secure mode can be set for multi user / multi application configurations.

In plain mode access to the memory is supported by 4-byte block as well as 8-byte page structure. In secure mode a cryptographic algorithm based on a 64-bit key is available. Mutual authentication, message authentication codes (MAC) and customized access conditions protect the memory against unauthorized access.

Configurable Value Counters featuring anti-tearing functionality are suitable for value token applications, such as limited use transportation tickets.