Macronix International Co., Ltd.

Cheng-Ming Yi

Su-Chueh Lo

Chun Hsiung Hung

Ken Hui Chen

Yi-Fan Chang

Kuen Long Chang

Kuo Yu Liao

Ta Kang Chu

Chu Ching Wu

Various discussed approaches improve the over erase issue and the coupling effect, and include (A) multilevel contacts between (i) the first outer selected word line of an erase group, and (ii) the first unselected word line outside the ease group neighboring the first outer selected word line; (B) a sufficient separation distance between (i) the first outer selected word line of an erase group, and (ii) the first unselected word line outside the ease group neighboring the first outer selected word line. These are examples of electrically isolating (i) the first outer selected word line of an erase group, from (ii) the first unselected word line outside the ease group neighboring the first outer selected word line.

Method and apparatus of performing an erase operation on a memory integrated circuit

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Hsinchu, Taiwan

Cheng-Ming Yi