Semiconductor memory device, memory system including the same and operating method thereof

摘要

Provided are a semiconductor memory device, a memory system including the same, and an operating method thereof. The semiconductor memory device includes a memory cell array including a plurality of memory cells, a peripheral circuit suitable for reading least significant bit data and most significant bit data of neighboring memory cells adjacent to selected memory cells out of the plurality of memory cells, and generating pattern flag data using the least significant bit data and the most significant bit data and a control logic suitable for controlling the peripheral circuit to set a read voltage to be applied to the selected memory cells based on the pattern flag data.

主权项

1. A semiconductor memory device, comprising:
a memory cell array including a plurality of memory cells; a peripheral circuit configured to read least significant bit data and most significant bit data of neighboring memory cells adjacent to selected memory cells out of the plurality of memory cells, and generate pattern flag data using the least significant bit data and the most significant bit data; and a control logic configured to select and output one of a plurality of temporarily stored read data according to the pattern flag data, wherein the neighboring memory cells are included in neighboring memory pages adjacent to a page of the selected memory cells.