Multiport memory device and an operation method thereof

摘要

Memory cell array includes a plurality of 2-port memory cells. A first row address decoder for decoding a first address signal to select a first word line included in any one of a plurality of word line groups, and a second row address decoder for decoding a second address signal to select a second word line included in any one of a plurality of word line groups are provided. A word line driving circuit receives output signals of first and second row address decoders to drive first and second word lines in accordance with a predetermined inhibit condition.