Dynamic random access memory (DRAM), dram vs sram, Component DRAM

 AS4C32M16SB Series 512 Mb (32 M x 16) 143 MHz CMOS Synchronous DRAM - TSOP II-54

https://www.futureelectronics.com/p/semiconductors--memory--RAM--dram--component-dram/as4c32m16sb-7tin-alliance-memory-1077373