The FM24C04B-GTR is a 4-Kbit (512 × 8) serial ferroelectric RAM (F-RAM) with an I2C interface, supporting 100 trillion read/write cycles and 151-year data retention. Operating from 4.5 V to 5.5 V and up to 1 MHz, it features low power consumption and a maximum 100 μA active current at 100 kHz. Qualified to AEC-Q100 Grade 3 and RoHS compliant, it is ideal for industrial controls, data logging, and frequent nonvolatile memory updates.