https://www.sic.co.th/product/lf-fdx-b-ic-with-r-w-memory-320-bits-sic7150/
LF FDX-B IC with R/W memory 320 bits (Cr 330 pF) - SIC7150 - Silicon Craft Technology PLC
May 14, 2026 - 134.2 kHz, Multi-Purpose R/W HDX RFID IC with 192 bits of User MemoryLow-frequency half-duplex (HDX) RFID transponder with 192 bits of user memory.