The CY15B004J-SXA is a 4-Kbit automotive-grade serial F-RAM, offering high-endurance nonvolatile memory with up to 100 trillion read/write cycles and 151-year data retention at 65°C. Operating from 2.7 V to 3.65 V across –40°C to +85°C, it features a fast I2C interface up to 1 MHz and an 8-pin SOIC package. Ideal for frequent data logging and industrial control, it is AEC-Q100 qualified and RoHS compliant, serving as a robust hardware replacement for serial EEPROM.