The CY15B104QI-20LPXC is a 4-Mbit EXCELON™ LP ferroelectric RAM (F-RAM) with high-speed SPI up to 20 MHz. It delivers virtually unlimited endurance and 151-year data retention at 60°C. Operating from 1.8 V to 3.6 V in commercial temperature ranges (0°C to +70°C), it features advanced write protection and low active current. Its 8-pin GQFN package is RoHS compliant. Ideal for industrial controls and systems requiring instant, reliable nonvolatile writes.