| 摘要 |
A DRAM device includes plural N-channel MIS transistors arranged in a matrix over a P well, and a plurality of capacitors formed corresponding to the plurality of N-channel MIS transistors, and plural word lines formed corresponding to each row of the plurality of N-channel MIS transistors, and a plurality of bit lines formed corresponding to each column of the plurality of N-channel MIS transistors, and a P+ diffusion layer formed extending in the direction that the plurality of word lines extend and supplied with a p well voltage potential. |
