The FM25V02A-DGTR is a 256-Kbit (32K × 8) serial F-RAM with a high-speed SPI interface up to 40 MHz, offering virtually unlimited endurance of 100 trillion read/write cycles and 151-year data retention at 65°C. Operating from 2.0 V to 3.6 V over -40°C to +85°C, it features low active (2.5 mA), standby (150 μA), and sleep (8 μA) currents.