The CY15V104QI-20LPXIT is a 4-Mbit EXCELON™ LP ferroelectric RAM (F-RAM) organized as 512K × 8, delivering virtually unlimited endurance of 10^15 read/write cycles and 151-year data retention. Operating from 1.71 V to 1.89 V over –40°C to +85°C, it features a high-speed SPI interface up to 20 MHz, instant non-volatile writes, advanced write protection, and ultra-low power consumption, making it ideal for industrial and data logging applications requiring frequent, reliable.