Importance

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Abstract

The present disclosure provides a three-dimensional NAND memory device, comprising memory cells coupled to a plurality of word lines and configured to store data, a row decoder configured to decode an address of a word line from the plurality of word lines, and a controller coupled to the array of memory cells. The controller includes a first multiplexer configured to receive a first plurality of trim selections, while each of the first plurality of trim selections is associated with a first trim parameter and each of the first plurality of trim selections corresponds to each of the plurality of word lines, respectively. The controller also includes a second multiplexer configured to receive a first plurality of trim settings, while each of the first plurality of trim settings corresponds to a value associated with the first trim parameter.

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First Claim