The CY15B128Q-SXA is a 128-Kbit (16K × 8) automotive serial F-RAM with SPI interface, delivering nonvolatile storage with 100 trillion read/write cycles and 151-year data retention at 65°C. Operating from 2.0 V to 3.6 V and supporting up to 40 MHz clock, it enables instant NoDelay™ writes at bus speed.