The CY15B108QN-50BKXI is an 8-Mbit EXCELON™ LP ferroelectric RAM (F-RAM) organized as 1024K × 8, delivering virtually unlimited endurance with 1,000 trillion (10¹⁵) read/write cycles and 151-year data retention. It operates from 1.8 V to 3.6 V over -40°C to +85°C, supports up to 50 MHz SPI in modes 0 and 3, and features instant non-volatile writes, advanced write protection, unique device and serial IDs, and ultra-low power consumption for demanding industrial and data.