The FM25VN10-GTR is a 1-Mbit (128K × 8) serial F-RAM with SPI interface, providing high-endurance nonvolatile memory for frequent and rapid writes. Operating from 2.0 V to 3.6 V with up to 40 MHz clock, it guarantees 100 trillion read/write cycles and 151-year data retention at 65°C. The device features NoDelay™ writes, low active and sleep currents, industrial temperature range (–40°C to +85°C), and a unique factory-programmed 8-byte serial number for secure identification.