Patent 7366821 was granted and assigned to NEC Corporation on April, 2008 by the United States Patent and Trademark Office.
A memory system has a memory controller and a plurality of memories. The plurality of memories are connected via a switch to an end of a bus, which is connected to the memory controller, wherein the plurality of memories are controlled by the switch. By suppressing reflection and loads on the bus, a higher data transmission speed can be obtained.