The MSC23840D-xxBS20/DS20 is an 8,388,608-word x 40-bit CMOS dynamic random access memory module which is composed of twenty 16Mb DRAMs (4Mx4) in SOJ packages mounted with twenty decoupling capacitors. This is a 72-pin single in-line memory module. This module supports any application where high density and large capacity of storage memory are required.