BUY FM18W08-SG https://www.utsource.net/itm/p/11582350.html

Description: FM18W08-SG is a 8Kb ferroelectric non-volatile RAM (F-RAM) manufactured by RAMTRON. Feature: 8Kb non-volatile memory Low power consumption Fast write cycle time High endurance Low voltage operation High data retention Low-cost Compatible with industry-standard serial peripheral interface (SPI) Application: Automotive Industrial Medical Consumer Security Networking Aerospace (For reference only)