The CY15B256Q-SXAT is a 256-Kbit (32K × 8) automotive serial F-RAM with a high-speed SPI interface up to 40 MHz. It delivers 10^14 read/write cycles and 151-year data retention at 65°C, making it ideal for frequent data logging and mission-critical applications. Operating from 2.0 V to 3.6 V and –40°C to +85°C, it features NoDelay™ writes at bus speed, advanced write protection, low power consumption, and is available in an 8-pin SOIC package.