The CY15B256J-SXA is a 256-Kbit (32K × 8) automotive serial F-RAM with I2C interface, providing nonvolatile memory with 100 trillion (1e14) read/write cycles and 151-year data retention at 65°C. Operating from 2.0 V to 3.6 V and -40°C to +85°C, it features NoDelay™ writes at bus speed, low active current, and 8 μA sleep mode.