Toshiba Memory Corporation

Tomohiro Oda

Yasuhiro Shimura

Keisuke Yonehama

Tomoki Higashi

Shinichi Oosera

Sumito Ohtsuki

Junichi Kijima

According to one embodiment, a semiconductor memory device includes: a memory cell array including a plurality of memory strings, each of the memory strings including a plurality of memory cells connected in series; a plurality of word lines commonly connected to the memory strings and connected to the memory cells; and a control circuit which executes a write operation including a plurality of program loops, each of the program loops including a program operation and a verify operation. When a suspend command for instructing an operation suspend is externally received during execution of the program operation, the control circuit executes a dummy read operation in which the word lines are applied with a voltage after the program operation, and enters into a suspend mode after the dummy read operation.

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Yokohama, Japan

Tomohiro Oda