Serial EEPROM are byte-alterable, low-pin-count, non-volatile memories suited for flexible parameter management and small code storage where low power, space constraints and memory size upgrade are critical. ST's leading-edge product portfolio is constantly updated to fit the requirements of mobile, consumer, industrial, medical and automotive applications.

ST25 NFC / RFID tags & readers are based on the 13.56 MHz carrier frequency and support ISO/IEC 14443 and ISO/IEC 15693 standards.
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NVRAMs are battery-backed SRAMs that range from 16 Kbits to 32 Mbits, housed in DIP packages, which include a battery, or surface-mount SOIC packages that allow for a SNAPHAT replaceable battery. Timekeeping and clock functions are also available.