The CY15B064Q-SXAT is a 64-Kbit (8K × 8) automotive-grade serial F-RAM offering nonvolatile memory with 100 trillion read/write cycles and 151-year data retention at 65°C. Operating from 2.7 V to 3.65 V, it supports SPI up to 20 MHz and NoDelay™ writes. Hardware and software write protection, low power consumption (200 μA active at 1 MHz, 3 μA standby), and an 8-pin SOIC package suit frequent-write, high-reliability automotive and industrial applications.