The FM24W256-G is a 256-Kbit (32K × 8) serial F-RAM with I2C interface, providing high-endurance nonvolatile memory for frequent data logging and industrial control. It supports 100 trillion (1014) read/write cycles, 151-year data retention at 65°C, and operates from 2.7 V to 5.5 V over –40°C to +85°C. With up to 1 MHz I2C speed, NoDelay™ writes, and low power consumption, it is a reliable drop-in replacement for serial EEPROM in demanding applications.