1. A memory system, comprising: a memory controller configured to output a command, address and data; and a semiconductor memory device configured to store at least one page data in each memory cell in response to the command, the address and the data, wherein the memory controller is configured to separately output first address and second address, wherein the first address is used for determining the at least one page data from the data and the second address is used for determining a word line coupled to at least one memory cell.