The TMS4xx400 is a set of high-speed, 16 777 216-bit dynamic random-access memories organized as 4 194 304 words of 4 bits each. The TMS4xx400P series are high-speed, low-power, self-refresh, 16 777 216-bit dynamic randomaccess memories organized as 4 194 304 words of 4 bits each. The TMS4xx400 and TMS4xx400P employ state-of-the-art EPICTM (Enhanced Performance Implanted CMOS) technology for high performance, reliability, and low power.