Dram chip manufacturers, dram memory, Dynamic random access memories

 AS4C4M16S 256-Mbit (16 M x 16) 3.6 V High-Speed CMOS Synchronous DRAM - TFBGA-54

https://www.futureelectronics.com/p/semiconductors--memory--RAM--dram--component-dram/as4c16m16sa-6bin-alliance-memory-8054874