AT24RF08 
Dual Access EEPROM with RFID and Serial Interfaces

Features
* Dual-Port Nonvolatile Memory - RFID and Serial
* Two-Wire Serial Interface:
- Compatible with AT24C08, and similar products from others
- Supports standard byte and page read/write commands
- Programmable Access Protection to limit reads or writes from either port
- Coil connection detection
*  RFID Interface:
- 125 kHz carrier frequency for long range access
- 2-wire connection to external coil antenna and tuning capacitor
- Multi-tag management to handle several tags in the field at once
- 11 RFID commands for tag control and memory read/write
- Ultra low power single bit write - 20mA
* Highly-Reliable EEPROM Memory
- 8K bits (1K bytes)
- Organized as 8 blocks of 128 bytes each
- 16-byte page write, 10ms write time
- Additional memory for access protection and ID number
- 10 years retention, 100K write cycle endurance
- -40° to +85° operation
* Standard 8-lead SOIC package
* 2.4 to 5.5V Supply Voltage