The CY15V102QSN-108SXIT is a 2-Mbit EXCELON Ultra F-RAM with quad SPI interface, organized as 256K × 8. Operating at 1.71 V to 1.89 V, it supports up to 108 MHz SPI SDR and 54 MHz SPI DDR. It features 100 trillion cycle endurance, 151-year data retention at 65°C, instant nonvolatile writes, and integrated ECC and CRC for data integrity. Low-power modes and industrial temperature range suit demanding data logging and control applications.