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公开(公告)号:US20240330717A1
公开(公告)日:2024-10-03
申请号:US18597851
申请日:2024-03-06
Applicant: Micron Technology, Inc.
Inventor: Yu-Chung Lien , Wei Wang , Zhenming Zhou
CPC classification number: G06N5/022 , G06F12/0246
Abstract: A method for using and system for training a trainable model to predict values of memory configuration parameters based on a value of a performance metric. The value of the performance metric is based on a threshold condition of a memory access operation performed on a memory device using a set of values of the memory configuration parameters. The output of the trainable model includes a set of predicted values of the memory configuration parameters. Responsive to determining that the set of predicted values of the memory configuration parameters satisfies a confidence criterion, the memory configuration parameters are updated to reflect the set of predicted values of the memory configuration parameters.
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公开(公告)号:US20240330094A1
公开(公告)日:2024-10-03
申请号:US18618639
申请日:2024-03-27
Applicant: Micron Technology, Inc.
Inventor: Yu-Chung Lien , Jiangli Zhu , Zhenming Zhou
IPC: G06F11/07
CPC classification number: G06F11/0775 , G06F11/0727
Abstract: A programming failure is detected at a block of a memory device. Based on detecting the programming failure, the block is determined to be partially good based on a number of failed bytes in the block. An unfailing portion of the block is identified in response to determining the block is partially good. A record indicating the block is partially good and identifying the unfailing portion of the block is stored.
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公开(公告)号:US20240302967A1
公开(公告)日:2024-09-12
申请号:US18663978
申请日:2024-05-14
Applicant: Micron Technology, Inc.
Inventor: Yu-Chung Lien , Zhenming Zhou , Murong Lang , Ching-Huang Lu
IPC: G06F3/06
CPC classification number: G06F3/0611 , G06F3/0653 , G06F3/0679
Abstract: Methods, systems, and apparatuses include receiving a command directed to a portion of memory. A cycle number for the portion of memory is determined. A group to which the portion of memory belongs is determined. A sensing time is determined using the cycle number and the group. The command is executed using the sensing time.
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公开(公告)号:US12026042B2
公开(公告)日:2024-07-02
申请号:US17858731
申请日:2022-07-06
Applicant: Micron Technology, Inc.
Inventor: Charles See Yeung Kwong , Seungjune Jeon , Wei Wang , Zhenming Zhou
CPC classification number: G06F11/076 , G06F11/008 , G06F11/073 , G06F2201/81 , G06F2212/7211
Abstract: A set of blocks of a memory device comprising a plurality of dies is identified. A block within the set of blocks is identified. The identified block is associated with a capability metric that reflects a projected reliability of the die on which the block resides. Responsive to determining that the capability metric satisfies a condition, a cycle threshold associated with the die is identified. Responsive to determining that a cycle count value derived from a program/erase cycle counter associated with the die matches the cycle threshold, the set of blocks is updated by excluding the block from the set of blocks. A program operation is performed with respect to the updated set of blocks.
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65.
公开(公告)号:US20240185935A1
公开(公告)日:2024-06-06
申请号:US18524712
申请日:2023-11-30
Applicant: MICRON TECHNOLOGY, INC.
Inventor: Yu-Chung Lien , Zhenming Zhou
CPC classification number: G11C16/3459 , G11C16/102 , G11C16/24 , G11C16/26
Abstract: A system includes a memory device and a processing device, operatively coupled with the memory device, to perform operations including: receiving a request to perform a program operation on a set of cells in a block of the memory device, the block comprising a plurality of decks; determining whether at least one second deck of the plurality of decks is physically disposed below at least one first deck of the plurality of decks, wherein the at least one first deck satisfies a criterion pertaining to a functionality of a deck, and the at least one second deck of the plurality of decks does not satisfy the criterion; and responsive to determining that the at least one second deck is physically disposed below the at least one first deck, performing the program operation on the set of cells in the block using a first bitline voltage applied during a program verify phase, wherein the first bitline voltage is higher than a default program verify bitline voltage.
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公开(公告)号:US20240177781A1
公开(公告)日:2024-05-30
申请号:US18388506
申请日:2023-11-09
Applicant: Micron Technology, Inc.
Inventor: Yu-Chung Lien , Jun Wan , Zhenming Zhou
Abstract: A method for partial block read compensation can include receiving a read request that specifies a memory cell connected to a string of series-connected memory cells in an array of memory cells on a memory device, the string located at an intersection of a wordline and a bitline, and causing a first voltage applied to the wordline to which the specified memory cell is connected to ramp to a first predetermined value. The method can include causing a second voltage applied to the bitline to which the specified memory cell is connected to ramp to a second predetermined value, and can include comparing, using a current comparator, a current along the string with a reference current to generate an analog output signal. It can also include causing a voltage offset, based on the analog output signal, to be applied to a read voltage level during a sensing operation.
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公开(公告)号:US11972122B2
公开(公告)日:2024-04-30
申请号:US17817465
申请日:2022-08-04
Applicant: Micron Technology, Inc.
Inventor: Yu-Chung Lien , Ching-Huang Lu , Zhenming Zhou
IPC: G06F3/06
CPC classification number: G06F3/0625 , G06F3/0653 , G06F3/0673
Abstract: In some implementations, a memory device may detect a read command associated with reading data stored by the memory device. The memory device may determine whether the read command is from a host device in communication with the memory device. The memory device may select, based on whether the read command is from the host device, one of a first voltage pattern or a second voltage pattern to be applied to memory cells of the memory device to execute the read command, wherein the first voltage pattern is selected if the read command is from the host device and the second voltage pattern is selected if the read command is not from the host device, wherein the second voltage pattern is different from the first voltage pattern. The memory device may execute the read command using a selected one of the first voltage pattern or the second voltage pattern.
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公开(公告)号:US11966591B2
公开(公告)日:2024-04-23
申请号:US17938307
申请日:2022-10-05
Applicant: Micron Technology, Inc.
Inventor: Murong Lang , Tingjun Xie , Fangfang Zhu , Zhenming Zhou , Jiangli Zhu
IPC: G06F3/06
CPC classification number: G06F3/0619 , G06F3/0629 , G06F3/0679
Abstract: Methods, apparatuses and systems related to managing deck-specific read levels are described. The apparatus may include a memory array having the memory cells organized into two or more decks. The apparatus can determine a delay between programming the decks. The apparatus can derive and implement the deck-specific read levels by selectively adjusting a base read level with an offset level according to the delay and/or the targeted read location.
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69.
公开(公告)号:US11947421B2
公开(公告)日:2024-04-02
申请号:US17958920
申请日:2022-10-03
Applicant: Micron Technology, Inc.
Inventor: Zhenming Zhou , Jian Huang , Jiangli Zhu
CPC classification number: G06F11/1068 , G06F3/0619 , G06F3/0659 , G06F3/0679 , G06F11/076 , G06F11/0772 , G06F11/1471 , G06F11/3037
Abstract: An error associated with a read operation corresponding to a memory die of a memory sub-system is detected. In response to detecting the error, a first read throughput level of the memory sub-system is identified. A quantity of queues receiving operation requests is decreased, the decreased quantity of queues corresponding to a second read throughput level. A read retry operation associated with the memory die is initiated at the second read throughput level.
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公开(公告)号:US20240062834A1
公开(公告)日:2024-02-22
申请号:US17891852
申请日:2022-08-19
Applicant: Micron Technology, Inc.
Inventor: Li-Te Chang , Murong Lang , Zhenming Zhou
IPC: G06F3/06
CPC classification number: G06F3/061 , G06F3/0679 , G06F3/0629
Abstract: A processing device in a memory sub-system detects an occurrence of a data integrity check trigger event in the memory sub-system, and in response, identifies a memory die of a plurality of memory dies in the memory sub-system. The processing device further determines a read margin associated with a first distribution of memory cells of the identified memory die, and determines an adaptive scan frequency for the identified memory die based on the read margin associated with the first distribution of memory cells.
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