The Alliance Memory AS4C256M16MD4 is a 256Mb Synchronous DRAM (SDRAM) device. It's configured as 16 Meg x 16 bits, offering a balance of density and bandwidth. This SDRAM operates at a clock frequency of 166MHz, providing a fast 5.4ns access time. It requires a 3.3V power supply. The AS4C256M16MD4 is packaged in a TSOP54 form factor, making it suitable for various applications. Supreme Components International is an authorized distributor of Alliance Memory, guaranteeing authentic components and dependable service. This SDRAM is ideal for applications requiring high-speed data access and storage.