Semiconductor memory device

A memory cell array includes a memory cell region composed of memory cells and a sample cell region composed of word line sample cells and bit line sample cells. The word line sample cell and the bit line sample cell are formed so that by a voltage applied to word lines and bit lines, charge transfe...

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Bibliographische Detailangaben
Hauptverfasser: OZEKI TAKAO, MUKUNOKI TOSHIO, SUGIMOTO AKIRA
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A memory cell array includes a memory cell region composed of memory cells and a sample cell region composed of word line sample cells and bit line sample cells. The word line sample cell and the bit line sample cell are formed so that by a voltage applied to word lines and bit lines, charge transfer from the floating gate electrode occurs more easily than the memory cell.