NVRAM FRAM Memory Serial, NON-volatile random-access memory

 M24C16 Series 16 Kb (2 K x 8) 2.5 V SMT Serial I²C Bus EEPROM - SOIC-8

https://www.futureelectronics.com/p/semiconductors--memory--RAM--nvram--quantum-trap-nvsram/m24c32-fmc6tg-stmicroelectronics-9015448