Random Access Memory, Non volatile ram memory, Types of Non Volatile

 A full selection of non volatile SRAM chips from several manufacturers that can be used to design circuits that require non volatile RAM memories (NV RAM memories), a parallel SRAM memory or any other non volatile static random access memory devices.

https://www.futureelectronics.com/p/memory--RAM--nvram/m24c02-wmn6tp-stmicroelectronics-1046598