Yangtze Memory Technologies Co., Ltd.

Songmin Jiang

Hongtao Liu

Dejia Huang

The present disclosure provides a configuration method and a reading method for a 3D memory, a 3D memory and system. The configuration method includes: writing test data into a plurality of selected memory cells corresponding to a selected word line in one of a plurality of memory blocks of the memory device; determining threshold voltages of the plurality of selected memory cells; and obtaining a relationship table indicating a corresponding relationship between a number of a subset of the selected memory cells that have threshold voltages lower than a preset voltage and a pass voltage required for performing a read operation on the one memory block.

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Wuhan, China

Songmin Jiang