FRAM memory chips, MRAM memory, non-volatile random-access memory, mram stock

 FRAM (Ferroelectric RAM) Memory IC 256Kb (32K x 8) SPI 40 MHz 8-SOIC

https://www.futureelectronics.com/p/semiconductors--memory--RAM--nvram--fram-mram/fm25v02a-g-infineon-3057796