The CY15B102QN-50LHXIT is a 2Mb EXCELON™ LP ferroelectric RAM (F-RAM) with a high-speed SPI interface, organized as 256K × 8 and supporting up to 50 MHz operation. It operates from 1.8 V to 3.6 V across –40°C to +85°C, offering virtually unlimited endurance of 10^15 read/write cycles and 151-year data retention. Features include instant non-volatile writes, advanced write protection, low power consumption, and a dedicated 256-byte special sector for critical data storage.