The TMS417809A and TMS427809A series are 16 777 216-bit dynamic random access memory (DRAM) devices organized as 2 097 152 words of 8 bits each. The TMS427809AP series is a low-power, self-refresh, 16 777 216-bit DRAM organized as 4 194 304 words of four bits.They employ TI state-of-the-art technology for high performance, reliability, and low power.