Patents by Inventor Larry J. Koudele

Larry J. Koudele has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220246207
    Abstract: A method can include receiving a request to read data from a memory cell of a memory device coupled with the processing device, determining a voltage distribution parameter value associated with the memory cell, determining a set of read levels associated with the voltage distribution parameter value, wherein each read level in the determined set of read levels corresponds to a respective voltage distribution of the memory cell, and reading, using the determined set of read levels, data from the memory cell. The voltage distribution parameter value can be determined by identifying a particular voltage distribution of the memory cell by sampling the memory cell at a plurality of voltage levels, and determining the voltage distribution parameter value based on the particular voltage distribution. The voltage distribution parameter value can be a voltage value that is included in the particular voltage distribution.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 4, 2022
    Inventors: Shane Nowell, Steven Michael Kientz, Michael Sheperek, Mustafa N Kaynak, Kishore Kumar Muchherla, Larry J Koudele, Bruce A Liikanen
  • Publication number: 20220237094
    Abstract: A memory system includes a memory device and a processing device, operatively coupled to the memory device. The processing device performs operations comprising: identifying an operating temperature of the memory device; determining that the operating temperature satisfies a temperature condition; modifying a scan frequency parameter for performing a scan operation on representative blocks of a set of blocks in the memory device; and performing the scan operation at a frequency identified by the scan frequency parameter.
    Type: Application
    Filed: January 25, 2021
    Publication date: July 28, 2022
    Inventors: Michael Sheperek, Steven Michael Kientz, Shane Nowell, Mustafa N. Kaynak, Kishore Kumar Muchherla, Larry J. Koudele
  • Patent number: 11393534
    Abstract: A processing device determines a measured slope value of a portion of a programming voltage distribution of memory cells of a memory sub-system. The measured slope value of the portion of the programming voltage distribution is compared to a threshold slope value to generate a comparison result. An adjusted program voltage level is determined in view of the comparison result. A programming process is executed using the adjusted program voltage level as a starting voltage level.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 19, 2022
    Assignee: MICRON TECHNOLOGY, INC.
    Inventors: Bruce A. Liikanen, Michael Sheperek, Larry J. Koudele
  • Patent number: 11392328
    Abstract: Aspects of the present disclosure are directed to performing varying frequency memory sub-system background scans using either or both a timer and an I/O event limit. This can be accomplished by identifying a background scan trigger event from one of multiple possible types of background scan trigger events, such as a timer expiration or reaching an event count limit. In response to the background scan trigger event, a background scan can be initiated on a memory portion. The background scan can produce results, such as CDF-based data. When a metric based on the results exceeds a background scan limit, a refresh relocation can be performed and logged. A metric can be generated based on the CDF-based data, obtained error recovery depth data, or refresh relocation event data. When the metric is above or below corresponding background scan thresholds, a background scan frequency can be adjusted.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: July 19, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Gerald L. Cadloni, Michael Sheperek, Francis Chew, Bruce A. Liikanen, Larry J. Koudele
  • Patent number: 11373712
    Abstract: A system includes a memory device and a processing device, operatively coupled with the memory device, to perform operations including determining first values of a metric that is indicative of a margin for a valley that is located between programming distributions of a memory cell of the memory device. The operations further include determining second values of the metric based on the first values, and adjusting valley margins of the memory cell in accordance with the second values of the metric.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: June 28, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Michael Sheperek, Larry J. Koudele, Bruce A. Liikanen
  • Patent number: 11360670
    Abstract: A dynamic temperature compensation trim for use in temperature compensating a memory operation on a memory call of a memory component. The dynamic temperature compensation trim is based on a temperature of the memory component and based on in-service data for the memory operation on the memory cell. A register for the memory operation is modified based on the dynamic temperature compensation trim.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: June 14, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Larry J. Koudele, Bruce A. Liikanen, Steve Kientz
  • Patent number: 11361825
    Abstract: A system includes a memory array with memory cells and a processing device coupled thereto. The processing device performs program targeting operations that include to: determine a set of difference error counts corresponding to programming distributions of the memory array; identify, based on a comparison of the set of difference error counts, valley margins corresponding to the programming distributions; select, based on values of the valley margins, a program targeting rule from a set of rules; perform, based on the program targeting rule, a program targeting operation to adjust a voltage level associated with an erase distribution of the memory array; determine a bit error rate (BER) of the memory array; in response to the BER satisfying a BER control value, reduce the voltage level by a voltage step; and in response to the BER not satisfying the BER control value, increase the voltage level by the voltage step.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: June 14, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Bruce A. Liikanen, Michael Sheperek, Larry J. Koudele
  • Patent number: 11354043
    Abstract: An example memory sub-system includes a memory device and a processing device, operatively coupled to the memory device. The processing device is configured to identify a first temperature level of a first block family associated with a memory device; identify a second temperature level of a second block family associated with the memory device; determine if a condition is satisfied based on the first temperature level and the second temperature level; and in response to the condition being satisfied, combine the first block family and the second block family to generate a combined block family.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: June 7, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Steven Michael Kientz, Larry J. Koudele, Shane Nowell, Michael Sheperek, Bruce A. Liikanen
  • Patent number: 11354193
    Abstract: A system includes a memory array including a plurality of memory cells; and a processing device coupled to the memory array, the processing device configured to iteratively adjust an active processing level used to process data, wherein, for each iteration, the processing device is configured to: determine a first error rate corresponding to the active processing level, determine a second error rate based on using an offset processing level different than the active processing level, and incrementally adjust the active processing level based on a comparison of the first error rate and the second error rate.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: June 7, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Larry J. Koudele, Bruce A. Liikanen
  • Patent number: 11347405
    Abstract: A memory system includes a memory array including a plurality of memory cells; and a controller coupled to the memory array, the controller configured to: determine a target profile including distribution targets, wherein each of the distribution targets represent a program-verify target corresponding to a logic value for the memory cells, determine a feedback measure based on implementing a processing level for processing data, and dynamically adjust the program-verify target according to the feedback measure.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: May 31, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Larry J. Koudele, Bruce A. Liikanen
  • Publication number: 20220164112
    Abstract: An example memory sub-system includes a memory device and a processing device, operatively coupled to the memory device. The processing device is configured to identify a first temperature level of a first block family associated with a memory device; identify a second temperature level of a second block family associated with the memory device; determine if a condition is satisfied based on the first temperature level and the second temperature level; and in response to the condition being satisfied, combine the first block family and the second block family to generate a combined block family.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 26, 2022
    Inventors: Steven Michael Kientz, Larry J. Koudele, Shane Nowell, Michael Sheperek, Bruce A. Liikanen
  • Publication number: 20220164105
    Abstract: An example memory sub-system includes a memory device and a processing device, operatively coupled to the memory device. The processing device is configured to initiate a scan process on a plurality of block families of the memory device; responsive to determining, based on the scan process, that a first block family of the plurality of block families and a second block family of the plurality of block families meet a combining criterion, merge the first block family and the second block family; and responsive to determining that a terminating condition has been satisfied, terminate the scan process.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 26, 2022
    Inventors: Shane Nowell, Michael Sheperek, Larry J. Koudele, Vamsi Pavan Rayaprolu
  • Publication number: 20220157385
    Abstract: One or more data units at a memory device and that are associated with one or more dice of a die group comprising a plurality of dice are programmed. A voltage offset bin associated with the plurality of dice in the die group is determined based on a subset of dice of the die group.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: Vamsi Pavan RAYAPROLU, Mustafa N. Kaynak, Michael Sheperek, Larry J. Koudele, Shane Nowell
  • Publication number: 20220156188
    Abstract: A set of two or more block families associated with a bin boundary of a first voltage bin is identified. A determination of at least a first voltage for a first block family of the plurality of block families and a second voltage for a second block family of the plurality of block families based on values of a data state metric for each of the plurality of block families. In response to a determination that a difference between the first voltage and the second voltage satisfies a block family combination criterion, the second block family is merged with the first block family.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 19, 2022
    Inventors: Michael Sheperek, Larry J. Koudele, Mustafa N. Kaynak, Shane Nowell
  • Publication number: 20220137814
    Abstract: An example memory sub-system includes a memory device and a processing device, operatively coupled to the memory device. The processing device is configured to open a first block family associated with the memory device; assign a first cursor of a plurality of cursors of the memory device to the first block family; responsive to programming a first block associated with the first cursor, associate the first block with the first block family; open, while the first block family is open, a second block family associated with the memory device; assign a second cursor of the plurality of cursors of the memory device to the second block family; and responsive to programming a second block associated with the second cursor, associate the second block with the second block family.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 5, 2022
    Inventors: Shane Nowell, Michael Sheperek, Larry J. Koudele, Bruce A. Liikanen, Steve Kientz
  • Publication number: 20220139460
    Abstract: A processing device establishes a first data group of memory cells of a memory sub-system and a second data group of memory cells of the memory sub-system. A first portion of the first data group is programmed at a threshold voltage level to set a first embedded data value. A second portion of the second data group of memory cells is programmed at the threshold voltage level offset by an offset voltage level to set a second embedded data value.
    Type: Application
    Filed: November 2, 2020
    Publication date: May 5, 2022
    Inventors: Bruce A. Liikanen, Michael Sheperek, Larry J. Koudele
  • Patent number: 11309020
    Abstract: A processing device performs a multi-pass programming operation on the memory device resulting in first pass programming distributions and second pass programming distributions. One or more read level thresholds between the second pass programming distributions are changed. Responsive to changing the one or more read level thresholds between the second pass programming distributions, one or more read level thresholds between the first pass programming distributions are adjusted based on the changes to the one or more read level thresholds between the second pass programming distributions.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: April 19, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Michael Sheperek, Larry J. Koudele, Bruce A. Liikanen
  • Publication number: 20220108752
    Abstract: An example memory sub-system includes a memory device and a processing device, operatively coupled to the memory device. The processing device is configured to program a first block in a first die of the memory device and a second block in a second die of the memory device, wherein the first die and the second die are assigned to a die group; and associate the die group with a threshold voltage offset bin.
    Type: Application
    Filed: December 6, 2021
    Publication date: April 7, 2022
    Inventors: Michael Sheperek, Kishore Kumar Muchherla, Mustafa N. Kaynak, Vamsi Pavan Rayaprolu, Bruce A. Liikanen, Larry J. Koudele
  • Publication number: 20220091935
    Abstract: A first data stored at a first portion of a memory cell and a second data stored at a second portion of the memory cell are identified. A first error rate associated with first data stored at the first portion of the memory cell is determined. The first error rate is adjusted to exceed a second error rate associated with the second data stored at the second portion of the memory cell. A determination is made as to whether the first error rate exceeds a threshold. The second data stored at the second portion of the memory cell is provided for use in an error correction operation by a controller associated with the memory cell in response to determining that the first error rate exceeds the threshold.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 24, 2022
    Inventors: Mustafa N. Kaynak, Larry J. Koudele, Michael Sheperek, Patrick R. Khayat, Sampath K. Ratnam
  • Publication number: 20220091741
    Abstract: An example memory sub-system includes a memory device and a processing device, operatively coupled to the memory device. The processing device is configured to initialize a block family associated with a memory device; initialize a timeout associated with the block family; initializing a low temperature and a high temperature using a reference temperature at the memory device; responsive to programming a block residing on the memory device, associate the block with the block family; and responsive to at least one of: detecting expiration of the timeout or determining that a difference between the high temperature and the low temperature is greater than or equal to a specified threshold temperature value, close the block family.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Inventors: Michael Sheperek, Kishore Kumar Muchherla, Mustafa N. Kaynak, Vamsi Pavan Rayaprolu, Bruce A. Liikanen, Peter Feeley, Larry J. Koudele, Shane Nowell, Steven Michael Kientz