BUY FM25V01 https://www.utsource.net/itm/p/4459931.html
128Kb Serial 3V F-RAM Memory
Description: FM25V01 is a 1Mb non-volatile ferroelectric random access memory (FRAM) from RAMTRON. Features: Low power consumption High endurance High speed read and write Low voltage operation Serial Peripheral Interface (SPI) Endurance of 10^14 write cycles Data retention of 10 years Operating temperature range of -40°C to +85°C Applications: Automotive Industrial Medical Consumer Wearable devices IoT applications (For reference only)