The CY15V108QN-20LPXIT is an 8-Mbit EXCELON™ LP Ferroelectric RAM (F-RAM) with a high-speed SPI interface up to 20 MHz and ultra-low voltage operation from 1.71 V to 1.89 V. It delivers virtually unlimited endurance with 1015 read/write cycles and 151-year data retention at 60°C.