The FM24CL04B-GTR is a 4-Kbit (512 × 8) serial ferroelectric RAM (F-RAM) with an I2C interface, delivering high-endurance nonvolatile memory for frequent data logging and rapid writes. It supports 100 trillion read/write cycles, 151-year data retention at 65°C, and operates from 2.7 V to 3.65 V over –40°C to +85°C.