| 摘要 |
According to one embodiment, a nonvolatile semiconductor memory includes word lines, bit lines, memory cells, a dummy word line, a dummy bit line and dummy cells. The word lines and the bit lines cross. The memory cells are provided for each intersection of the word lines and bit lines. Each memory cell includes a first diode and a resistance change memory element. The dummy word line crosses the bit lines. The dummy bit line crosses the word lines. The dummy cells are provided at each intersection of the dummy word line and the bit lines, and at each intersection of the dummy bit line and the word lines. Each dummy cell includes a second diode.
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