The CY15B004Q-SXET is a 4-Kbit (512 × 8) automotive ferroelectric RAM (F-RAM) with 10 trillion (1013) read/write cycles and 121-year data retention at 85°C. Operating from 3.0 V to 3.6 V, it supports SPI speeds up to 16 MHz and offers hardware and software write protection. Low power consumption—200 μA active at 1 MHz and 6 μA standby at 85°C—combined with AEC-Q100 Grade 1 qualification for -40°C to +125°C, makes it ideal for frequent data logging in automotive environments.