Description
The XRAG2 is a full-featured, low-cost integrated circuit for use in radio frequency identification (RFID) transponders (XRAG2s) operating at UHF frequencies. It is a 432-bit memory organized as 3 or 4 memory banks of 16-bit words as shown in Figure 4 and Figure 5.

FEATUREs
■ EPCglobal class 1 generation 2 RFID UHF
   specification (revision 1.0.9)
■ Passive operation (no battery required)
■ UHF carrier frequencies from 860 MHz to
   960 MHz ISM band
■ To the XRAG2:
   – Asynchronous 90% SSB-ASK, DSB-ASK
      or PR-ASK modulation using pulse interval
      encoding (Up to 128Kbit/s)
■ From the XRAG2:
   – Backscattered reflective answers using
      FM0 or Miller bit coding (up to 640 Kbits/s)
■ 432-bit memory with two possible
   configurations:
   – 3 memory banks to store up to 256-bit EPC
      code: 64-bit TID, 304-bit EPC and 64-bit
      reserved banks
   – 4 memory banks to store up to 128-EPC
      code: 128-bit user, 64-bit TID, 176-bit EPC
      and 64-bit reserved banks
■ Supports EPC and ISO TID
■ Multisession protocol
■ Anti-collision functionality
■ Inventory, Read, Write and Erase features
■ Kill command
■ 100 ms programming time (max) for 288-bit
   (EPC code, Protocol Control bits and CRC16)
   programming
■ More than 10,000 Write/Erase cycles
■ More than 40 years’ data retention
■ Packages
   – ECOPACK® (RoHS compliant)