Non-volatile semiconductor memory device comprising capacitive coupling program inhibit circuitry

According to an one aspect of the present invention, it is provided a non-volatile semiconductor memory device comprising: a first N type well; a plurality of P type non-volatile memory cells arranged in matrix and formed in the N type well; a plurality of sub-bit lines, each of the sub-bit lines be...

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Hauptverfasser: OGURA TAKU, AJIKA NATSUO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:According to an one aspect of the present invention, it is provided a non-volatile semiconductor memory device comprising: a first N type well; a plurality of P type non-volatile memory cells arranged in matrix and formed in the N type well; a plurality of sub-bit lines, each of the sub-bit lines being connected to drains of the P type non-volatile memory cells in a respective one of columns of the matrix; a first P type well; and a plurality of N type selection transistors, each of the selection transistors selectively connecting a respective one of sub-bit lines to a corresponding one of main bit lines.