Patents by Inventor Kishore K. Muchherla

Kishore K. Muchherla 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).

  • Patent number: 11494102
    Abstract: A method includes determining that a ratio of valid data portions of a block of memory cells is greater than or less than a valid data portion threshold and performing a first media management operation on the block of memory cells in response to determining that the ratio of valid data portions is greater than the valid data portion threshold. The method further includes performing a second media management operation on the block of memory cells in response to determining that the ratio of valid data portions is less than the valid data portion threshold.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: November 8, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Ashutosh Malshe, Vamsi Pavan Rayaprolu, Kishore K. Muchherla
  • Publication number: 20220350517
    Abstract: A system includes a processing device and trigger circuitry to signal the processing device responsive, at least in part, based on a determination that a trigger event has occurred. The system can further include a memory device communicatively coupled to the processing device. The memory device can include a cyclic buffer partition portion having a first endurance characteristic and a first reliability characteristic associated therewith. The memory device can further include a snapshot partition portion coupled to the cyclic buffer partition portion via hold-up capacitors. The snapshot partition portion can have a second endurance characteristic and a second reliability characteristic associated therewith. The processing device can perform operations including writing received data sequentially to the cyclic buffer partition portion and writing, based at least in part on the determination that the trigger event has occurred, data from the cyclic buffer partition portion to the snapshot partition portion.
    Type: Application
    Filed: June 22, 2022
    Publication date: November 3, 2022
    Inventors: Kishore K. Muchherla, Niccolo' Righetti, Jeffrey S. McNeil, JR., Akira Goda, Todd A. Marquart, Mark A. Helm, Gil Golov, Jeremy Binfet, Carmine Miccoli, Giuseppina Puzzilli
  • Publication number: 20220350520
    Abstract: A signal associated with performance of a memory operation can be applied to a memory cell of a first group of memory cells that have undergone PECs within a first range. The signal can have a first magnitude corresponding to a second range of PECs. Whether differences between a first target voltage and the signal and between a second target voltage and the applied signal are at least the threshold value can be determined. Responsive to determining that the differences are at least the threshold value, the first group of memory cells can be associated with a first calibration cluster and the signal having a second magnitude corresponding to a third range of PECs can be applied to a memory cell of a second group of memory cells that have undergone respective quantities of PECs within the second range.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 3, 2022
    Inventors: Vamsi Pavan Rayaprolu, Giuseppina Puzzilli, Karl D. Schuh, Jeffrey S. McNeil, JR., Kishore K. Muchherla, Ashutosh Malshe, Niccolo' Righetti
  • Patent number: 11487436
    Abstract: Instructions can be executed to determine a quantity of logical units that are part of a memory device. The instructions can be executed to operate the logical units with a programming time sufficient to provide a required throughput for storage of time based telemetric sensor data received from a host. The instructions can be executed to operate the logical units with a trim that correspond to the programming time.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: November 1, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Jeffrey S. McNeil, Jr., Niccolo' Righetti, Kishore K. Muchherla, Akira Goda, Todd A. Marquart, Mark A. Helm, Gil Golov, Jeremy Binfet, Carmine Miccoli, Giuseppina Puzzilli
  • Publication number: 20220342810
    Abstract: A system includes a memory device and a processing device coupled to the memory device. The processing device can determine a data rate from a first sensor and a data rate from a second sensor. The processing device can write a first set of data received from the first sensor at a first logical block address (LBA) in the memory device. The processing device can write a second set of data received from the second sensor and subsequent to the first set of data at a second LBA in the memory device. The processing device can remap the first LBA and the second LBA to be logically sequential LBAs. The second LBA can be associated with an offset from the first LBA and the offset can correspond to a data rate of the first sensor.
    Type: Application
    Filed: July 11, 2022
    Publication date: October 27, 2022
    Inventors: Kishore K. Muchherla, Vamsi Pavan Rayaprolu, Karl D. Schuh, Jiangang Wu, Gil Golov
  • Publication number: 20220343984
    Abstract: A method includes determining a first valid translation unit count (VTC) for a first block of memory cells, determining a second VTC for a second block of memory cells when the first VTC is below a VTC threshold corresponding to performance of a memory management operation, consolidating the first VTC and the second VTC when the consolidated first VTC and the second VTC equal or exceed the VTC threshold corresponding to the performance of the memory management operation, and executing the memory management operation utilizing the consolidated first VTC and the second VTC.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 27, 2022
    Inventors: Ashutosh Malshe, Vamsi Pavan Rayaprolu, Kishore K. Muchherla
  • Patent number: 11481273
    Abstract: A memory component comprises a cyclic buffer partition portion and a snapshot partition portion. In response to receiving a signal that a trigger event has occurred, a processing device included in the memory component performs an error correction operation on a portion of data stored in the cyclic buffer partition portion, copies the data stored in the cyclic buffer partition portion to the snapshot partition portion in response to the error correction operation being successful, and sends the data stored in the cyclic buffer partition portion to a processing device operatively coupled to the memory component in response to the error correction operation not being successful.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: October 25, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Kishore K. Muchherla, Niccolo′ Righetti, Jeffrey S. McNeil, Jr., Akira Goda, Todd A. Marquart, Mark A. Helm, Gil Golov, Jeremy Binfet, Carmine Miccoli, Giuseppina Puzzilli
  • Publication number: 20220291865
    Abstract: A system includes a processing device and a memory device communicatively coupled to the processing device. The memory device can include a cyclic buffer partition portion and a snapshot partition portion coupled to the cyclic buffer partition portion via hold-up capacitors. The snapshot partition portion can further include a first sub-partition portion having a first programming characteristic and a second sub-partition portion having a second programming characteristic. The processing device can write received data sequentially to the cycle buffer partition portion and write, based at least in part on a determination that a trigger event has occurred, data from the cyclic buffer partition portion to the first sub-partition portion or the second sub-partition portion, or both.
    Type: Application
    Filed: June 1, 2022
    Publication date: September 15, 2022
    Inventors: Kishore K. Muchherla, Niccolo' Righetti, Jeffrey S. McNeil, JR., Akira Goda, Todd A. Marquart, Mark A. Helm, Gil Golov, Jeremy Binfet, Carmine Miccoli, Giuseppina Puzzilli
  • Publication number: 20220291835
    Abstract: A method includes determining that a ratio of valid data portions of a block of memory cells is greater than or less than a valid data portion threshold and performing a first media management operation on the block of memory cells in response to determining that the ratio of valid data portions is greater than the valid data portion threshold. The method further includes performing a second media management operation on the block of memory cells in response to determining that the ratio of valid data portions is less than the valid data portion threshold.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 15, 2022
    Inventors: Ashutosh Malshe, Vamsi Pavan Rayaprolu, Kishore K. Muchherla
  • Patent number: 11437111
    Abstract: Instructions can be executed to adjust a trim at first intervals until a quantity of program/erase cycles (PEC) have occurred. The trim defines a valley width between data states. Instructions can be executed to adjust the trim at second intervals, greater than the first intervals, after the quantity of PEC have occurred.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: September 6, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Jeffrey S. McNeil, Jr., Karl D. Schuh, Vamsi Pavan Rayaprolu, Giuseppina Puzzilli, Kishore K. Muchherla, Gil Golov, Todd A. Marquart, Jiangang Wu, Niccolo' Righetti, Ashutosh Malshe
  • Patent number: 11430528
    Abstract: A change in a read window of a group of memory cells of a memory device that has undergone a plurality of program/erase cycles (PECs) can be determined. read voltage can be determined based at least in part on the determined change in the read window.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: August 30, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Vamsi Pavan Rayaprolu, Giuseppina Puzzilli, Karl D. Schuh, Jeffrey S. McNeil, Jr., Kishore K. Muchherla, Ashutosh Malshe, Niccolo′ Righetti
  • Patent number: 11416388
    Abstract: A system includes a memory device and a processing device coupled to the memory device. The processing device can determine a data rate from a first sensor and a data rate from a second sensor. The processing device can write a first set of data received from the first sensor at a first logical block address (LBA) in the memory device. The processing device can write a second set of data received from the second sensor and subsequent to the first set of data at a second LBA in the memory device. The processing device can remap the first LBA and the second LBA to be logically sequential LBAs. The second LBA can be associated with an offset from the first LBA and the offset can correspond to a data rate of the first sensor.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: August 16, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Kishore K. Muchherla, Vamsi Pavan Rayaprolu, Karl D. Schuh, Jiangang Wu, Gil Golov
  • Patent number: 11416391
    Abstract: An example apparatus for garbage collection can include a memory including a plurality of mixed mode blocks. The example apparatus can include a controller. The controller can be configured to write a first portion of sequential host data to the plurality of mixed mode blocks of the memory in a single level cell (SLC) mode. The controller can be configured to write a second portion of sequential host data to the plurality of mixed mode blocks in an XLC mode. The controller can be configured to write the second portion of sequential host data by performing a garbage collection operation. The garbage collection operation can include adding more blocks to a free block pool than a quantity of blocks that are written to in association with writing the second portion of sequential host data to the plurality of mixed mode blocks.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: August 16, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Kishore K. Muchherla, Sampath K. Ratnam, Peter Feeley, Michael G. Miller, Daniel J. Hubbard, Renato C. Padilla, Ashutosh Malshe, Harish R. Singidi
  • Patent number: 11404133
    Abstract: A method includes determining a first valid translation unit count (VTC) for a first block of memory cells, determining a second VTC for a second block of memory cells when the first VTC is below a VTC threshold corresponding to performance of a memory management operation, consolidating the first VTC and the second VTC when the consolidated first VTC and the second VTC equal or exceed the VTC threshold corresponding to the performance of the memory management operation, and executing the memory management operation utilizing the consolidated first VTC and the second VTC.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: August 2, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Ashutosh Malshe, Vamsi Pavan Rayaprolu, Kishore K. Muchherla
  • Patent number: 11392312
    Abstract: A signal associated with performance of a memory operation can be applied to a memory cell of a first group of memory cells that have undergone PECs within a first range. The signal can have a first magnitude corresponding to a second range of PECs. Whether differences between a first target voltage and the signal and between a second target voltage and the applied signal are at least the threshold value can be determined. Responsive to determining that the differences are at least the threshold value, the first group of memory cells can be associated with a first calibration cluster and the signal having a second magnitude corresponding to a third range of PECs can be applied to a memory cell of a second group of memory cells that have undergone respective quantities of PECs within the second range.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: July 19, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Vamsi Pavan Rayaprolu, Giuseppina Puzzilli, Karl D. Schuh, Jeffrey S. McNeil, Jr., Kishore K. Muchherla, Ashutosh Malshe, Niccolo′ Righetti
  • Patent number: 11385819
    Abstract: A system includes a processing device and trigger circuitry to signal the processing device responsive, at least in part, based on a determination that a trigger event has occurred. The system can further include a memory device communicatively coupled to the processing device. The memory device can include a cyclic buffer partition portion having a first endurance characteristic and a first reliability characteristic associated therewith. The memory device can further include a snapshot partition portion coupled to the cyclic buffer partition portion via hold-up capacitors. The snapshot partition portion can have a second endurance characteristic and a second reliability characteristic associated therewith. The processing device can perform operations including writing received data sequentially to the cyclic buffer partition portion and writing, based at least in part on the determination that the trigger event has occurred, data from the cyclic buffer partition portion to the snapshot partition portion.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: July 12, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Kishore K. Muchherla, Niccolo' Righetti, Jeffrey S. McNeil, Jr., Akira Goda, Todd A. Marquart, Mark A. Helm, Gil Golov, Jeremy Binfet, Carmine Miccoli, Giuseppina Puzzilli
  • Publication number: 20220215895
    Abstract: A system includes a memory device having a plurality of groups of memory cells and a processing device communicatively coupled to the memory device. The processing device is be configured to read a first group of memory cells of the plurality to determine a calibrated read voltage associated with the group of memory cells. The processing device is further configured to determine, using the calibrated read voltage associated with the first group of memory cells, a bit error rate (BER) of a second group of memory cells of the plurality. Prior to causing the memory device to perform a copyback operation on the plurality of groups of memory cells, the processing device is further configured to determine whether to perform a subsequent read voltage calibration on at least the second group of the plurality based, at least partially, on a comparison between the determined BER and a threshold BER.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Inventors: Kishore K. Muchherla, Niccolo' Righetti, Jeffrey S. McNeil, JR., Akira Goda, Todd A. Marquart, Mark A. Helm, Gil Golov, Jeremy Binfet, Carmine Miccoli, Giuseppina Puzzilli
  • Publication number: 20220197771
    Abstract: A method includes writing received data sequentially to a particular location of a cyclic buffer of a memory device according to a first set of threshold voltage distributions. The method further includes performing a touch up operation on the particular location by adjusting the first set of threshold voltage distributions of the data to a second set of threshold voltage distributions in response to a determination that a trigger event has occurred. The second set of threshold voltage distributions can have a larger read window between adjacent threshold voltage distributions of the second set than that of the first set of threshold voltage distributions.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 23, 2022
    Inventors: Jeffrey S. McNeil, JR., Niccolo' Righetti, Kishore K. Muchherla, Akira Goda, Todd A. Marquart, Mark A. Helm, Gil Golov, Jeremy Binfet, Carmine Miccoli, Giuseppina Puzzilli
  • Publication number: 20220189571
    Abstract: Instructions can be executed to adjust a trim at first intervals until a quantity of program/erase cycles (PEC) have occurred. The trim defines a valley width between data states. Instructions can be executed to adjust the trim at second intervals, greater than the first intervals, after the quantity of PEC have occurred.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 16, 2022
    Inventors: Jeffrey S. McNeil, JR., Karl D. Schuh, Vamsi Pavan Rayaprolu, Giuseppina Puzzilli, Kishore K. Muchherla, Gil Golov, Todd A. Marquart, Jiangang Wu, Niccolo' Righetti, Ashutosh Malshe
  • Publication number: 20220188223
    Abstract: A system includes a memory device and a processing device communicatively coupled to the memory device. The processing device is to write data to a number of groups of memory cells of the memory device in a physically non-contiguous manner. The processing device is further to track a sequence in which the number of groups of memory cells were written with the data. In response to a trigger event, the processing device is further to identify at least a portion of the number of groups of memory cells having data received over a predefined period preceding the trigger event based at least in part on the tracked sequence.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 16, 2022
    Inventors: Karl D. Schuh, Vamsi Pavan Rayaprolu, Jiangang Wu, Kishore K. Muchherla