Invention Grant
US09478285B2 Cross-point memory device including multi-level cells and operating method thereof 有权
包括多电平电池的交叉点存储器件及其操作方法

Cross-point memory device including multi-level cells and operating method thereof
Abstract:
A method of operating a cross-point memory device, having an array of multilevel cells, includes performing a first reading operation with respect to the multilevel cells through a plurality of sensing operations to determine a first state and performing a second reading operation with respect to the multilevel cells through a plurality of sensing operations to determine a second state. A difference between a level of a first voltage used in a first sensing operation and a level of a second voltage used in a second sensing operation in the first reading operation is different from a difference between a level of a third voltage used in a first sensing operation and a level of a fourth voltage used in a second sensing operation in the second reading operation.
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