| 摘要 |
An object is to improve a data recording amount per memory cell. In the invention, in a non-volatile memory, the data contents of which can be electrically written and erased, each memory cell that configures the non-volatile memory is provided with: source/drain regions formed on a semiconductor substrate; a gate electrode formed on a channel region of the semiconductor substrate; and a gate insulating film formed between the semiconductor substrate and the gate electrode. A configuration in which the source/drain regions extend at least in three directions from the channel region when seen on a plane from the gate electrode side is employed.
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