M24SR02-YMC6T/2 RF/IF and RFID

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M24SR02-YMC6T/2 Application Field and Working Principle

The M24SR02-YMC6T/2 is a Contactless Memory I2C-bus NFC Tag IC from STMicroelectronics. This IC is part of the M24SR family, which belongs to the category of RFID, RF Access, Monitoring ICs. It has an advanced design that combines RF antenna, EEPROM memory and I2C-bus for data storage and communication, providing high security and low-consumption features.

The M24SR02-YMC6T/2 applications are mostly related with personal identification and information authentication systems. Its primary features can be summarized as follows:

• High storage capacity – 64 Kbits
• I2C-bus interface for both reading and writing in-system and downloading data from remote tags
• Master-table and advanced read features for secure access to the register
• Authentication with up to 16Kbits user memory space with CRC protection
• NFC Forum Tag Type 4 compliant
• Enables contactless transactions
• The antenna and the EEPROM are protected against high-intensity electromagnetic fields.

The working principle of the M24SR02-YMC6T/2 is based on its internal EEPROM. A few commands sent over the I2C-bus interface to the part allow to enter key commands like, Read, Write, Erase. The data stored in the EEPROM is then transmitted or received via a high frequency electromagnetic field generated by the antenna, according to the NFC Forum specification.

The antenna works as the RF transceiver required for communication between the IC and the reader. It implements a loop antenna with an RF detection range of up to 10 cm, depending on the field strength. The reader can then perform authentication and read the EEPROM memory.

The M24SR02-YMC6T/2 is engineered with additional security features. These include advanced encryption, authentication and dynamic memory access that guarantee the datas integrity, avoiding possible unauthorized access.

To sum up, the M24SR02-YMC6T/2 is a reliable and high performance Contactless Memory I2C-bus NFC Tag IC, ideal for secure identification and authentication systems. Its internal EEPROM and RF antenna allow it to work as a transceiver in contactless NFC communications. This device is engineered with additional security features to guarantee data integrity for the users.

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