Description
M24SR02-Y belongs to the ST25 family which includes all STMicroelectronics NFC/RFID tag and reader products.
The M24SR02-Y device is a dynamic NFC/RFID tag IC with a dual interface. It embeds an EEPROM memory. It can be operated from an I2C interface or by a 13.56 MHz RFID reader or an NFC phone.
The I2C interface uses a two-wire serial interface, consisting of a bidirectional data line and a clock line. It behaves as a slave in the I2C protocol.
The RF protocol is compatible with ISO/IEC 14443 Type A and NFC Forum Type 4 Tag.

Features
I2C interface
• Two-wire I2C serial interface supports
   1 MHz protocol
• Single supply voltage: 2.7 V to 5.5 V

Contactless interface
• NFC Forum Type 4 Tag
• ISO/IEC 14443 Type A
• 106 Kbps data rate
• Internal tuning capacitance: 25 pF

Memory
• 256-byte (2-kbit) EEPROM
• Support of NDEF data structure
• Data retention: 200 years
• Write cycle endurance:
   – 1 million Write cycles at 25 °C
   – 600k Write cycles at 85 °C
• Read up to 246 bytes in a single command
• Write up to 246 bytes in a single command
• 7 bytes unique identifier (UID)
• 128 bits passwords protection

Package
• 8-lead small-outline package (SO8)
   ECOPACK2®
• TSSOP8 ECOPACK2®
• UFDFPN8 ECOPACK2®
• WFDFDN8 ECOPACK2®(1)(2)

Digital pad
• GPO: configurable General Purpose Output
• RF disable: activation/deactivation of RF
   commands

Temperature range
• From - 40 °C up to 85 °C