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公开(公告)号：US11594294B2
公开(公告)日：2023-02-28
申请号：US17493063
申请日：2021-10-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung-won Yun , Han-jun Lee
Abstract: A method of operating a memory device that includes a plurality of stages each having a plurality of page buffers. The method including performing a verify operation of a first program loop from among a plurality of program loops, the verify operation of the first program loop including, performing a first off-cell counting operation on a first stage of the plurality of stages based on a first sampling rate to generate a first off-cell counting result; selectively changing the first sampling rate based on the first off-cell counting result to generate a changed first sampling rate; and performing a second off-cell counting operation on a second stage of the plurality of stages based on one of the first sampling rate and the changed first sampling rate to generate a second off-cell counting result.
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公开(公告)号：US20190147964A1
公开(公告)日：2019-05-16
申请号：US16009523
申请日：2018-06-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung-won Yun , Han-jun Lee
Abstract: A method of operating a memory device that includes a plurality of stages each having a plurality of page buffers. The method including performing a verify operation of a first program loop from among a plurality of program loops, the verify operation of the first program loop including, performing a first off-cell counting operation on a first stage of the plurality of stages based on a first sampling rate to generate a first off-cell counting result; selectively changing the first sampling rate based on the first off-cell counting result to generate a changed first sampling rate; and performing a second off-cell counting operation on a second stage of the plurality of stages based on one of the first sampling rate and the changed first sampling rate to generate a second off-cell counting result.
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公开(公告)号：US11164646B2
公开(公告)日：2021-11-02
申请号：US16806398
申请日：2020-03-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung-won Yun , Han-jun Lee
Abstract: A method of operating a memory device that includes a plurality of stages each having a plurality of page buffers. The method including performing a verify operation of a first program loop from among a plurality of program loops, the verify operation of the first program loop including, performing a first off-cell counting operation on a first stage of the plurality of stages based on a first sampling rate to generate a first off-cell counting result; selectively changing the first sampling rate based on the first off-cell counting result to generate a changed first sampling rate; and performing a second off-cell counting operation on a second stage of the plurality of stages based on one of the first sampling rate and the changed first sampling rate to generate a second off-cell counting result.
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