The MT42L64M64D2KH-25 S:A is a high-performance, low-power Double Data Rate 2 Synchronous Dynamic Random Access Memory (LPDDR2-SDRAM) from Micron, a leading manufacturer in memory solutions. With a configuration of 64 Megabits by 64 bits, this semiconductor device demonstrates a total storage capacity of 4 Gigabits (512 Megabytes) and operates at a speed of 400MHz, translating to an LPDDR2-800 rating which indicates its data transfer rate of 800MT/s (Mega Transfers per second). It is engineered to address the demanding needs of various mobile and embedded applications, offering significant energy savings and efficiency improvements over previous generations. The component encompasses advanced features such as reduced power consumption for increased battery life in portable devices, high data bandwidth, and density to manage sophisticated multimedia content and multitasking environments. Its compact S:A package and compatibility with existing LPDDR2 interfaces make it ideal for designers looking for memory solutions that provide a balance between power efficiency and performance.