What is nvram, non volatile memory, Ferroelectric random access memory,

 FM28V202A Series 2 Mb (128 K × 16) 3.6 V F-RAM Memory - TSPO II-44

https://www.futureelectronics.com/p/semiconductors--memory--RAM--nvram--fram-mram/fm28v202a-tg-cypress-1047530