Kabushiki Kaisha Toshiba

Nobuaki Okada

Mitsuhiro Noguchi

Masayuki Akou

According to one embodiment, a nonvolatile semiconductor storage device includes a word line transfer unit which transfers voltage applied to a memory cell selected on the basis of an address to a word line. The word line transfer unit includes a word line transfer transistor which is arranged in a first layout area of the word line transfer unit and transfers voltage applied to the memory cell to the word line and a dummy word line transfer transistor which is arranged in a second layout area provided outside an end of the first layout area and does not transfer voltage applied to the memory cell to the word line.

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Yokohama, Japan

Nobuaki Okada