Número de pieza	Fabricante / Marca	Breve descripción
U3280M	ATMEL / MICROCHIP	Transponder Interface for Microcontroller IC
U3280M-NFB	Microchip Technology	IC TRANSPONDER FOR RFID 16-SSOP
U3280M-NFBG3	Microchip Technology	IC TRANSPONDER FOR RFID 16-SSOP
U3280M-NFBG3Y	Microchip Technology	IC RFID INTERFACE 125KHZ 16SSOP
U3280M-NFBY	Microchip Technology	IC RFID INTERFACE 125KHZ 16SSOP
U3280M_07	ATMEL / MICROCHIP	Transponder Interface for Microcontroller IC