The FM25L04B-GTR is a 4-Kbit (512 × 8) serial F-RAM offering high-endurance nonvolatile memory with 100 trillion read/write cycles and 151-year data retention at 65°C. Operating from 2.7 V to 3.6 V across -40°C to +85°C, it supports SPI bus speeds up to 20 MHz and features hardware and software write protection. Low power consumption and fast NoDelay™ writes make it ideal for frequent, rapid data storage in industrial controls. Available in 8-pin SOIC package, RoHS compliant.