The CY15E064J-SXE is a 64-Kbit (8K × 8) automotive-grade serial F-RAM, providing nonvolatile memory with 100 trillion (1014) read/write cycles and 151-year data retention at 65°C. Operating from 4.5 V to 5.5 V, it supports I2C up to 1 MHz and is housed in an 8-pin SOIC package.