The FM25C160B-GTR is a 16-Kbit (2 K × 8) automotive-grade serial F-RAM memory with an SPI interface, offering high-endurance 10 trillion (1013) read/write cycles and 121-year data retention at 85°C. It operates from 4.5 V to 5.5 V, supports up to 15 MHz SPI clock, and is AEC-Q100 Grade 1 qualified for -40°C to +125°C.