# US 11,907,583 B2 · Multiple sets of trim parameters > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,907,583 B2 - Document ID: US11907583B2 - Status: Granted - Kind: B2 - Application number: 17/834,840 - Filed: 2022-06-07 - Published: 2022-09-22 - Granted: 2024-02-20 - Earliest claimed: 2018-05-22 - Assignees: Western Digital Technologies, Inc. - Applicants: Western Digital Technologies, Inc. - Inventors: Tomer Tzvi Eliash; Asaf Gueta; Inon Cohen; Yuval Grossman - Web page: https://patentgrep.com/patent/US11907583B2 ## CPC - G06F 3/0659: {Command handling arrangements, e.g. command buffers, queues, command scheduling} - G06F 3/0604: {Improving or facilitating administration, e.g. storage management} - G06F 3/0632: {by initialisation or re-initialisation of storage systems} - G06F 3/0634: {by changing the state or mode of one or more devices} - G06F 3/0679: {Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]} - G06F 13/1668: {Details of memory controller} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Apparatus, methods, media and systems for multiple sets of trim parameters are described. A non-volatile memory device may comprise a first register, a second register, a multiplexer, a first set of I/O lines, each coupled to the first register and the multiplexer, each associated with a particular trim set among multiple trim sets stored in the first register, one or more second I/O lines, each coupled to the second register and the multiplexer. The multiplexer is configured to receive a control signal. The multiplexer is configured to output, based on the control signal, a particular trim set among the multiple trim sets to the second register using the one or more second I/O lines. ## Claims ### Claim 1 A computer-implemented method, comprising: in response to a determination that a value of an operating condition of a first non-volatile memory device satisfies a certain first threshold, causing transfer of one or more first control signals to cause one or more first selected trim sets to be transferred from a first register to a second register to allow the one or more first selected trim sets to be used by the first non-volatile memory device, wherein the one or more first selected trim sets are associated with the satisfaction of the certain first threshold for an operating configuration of the first non-volatile memory device; configuring a multiplexer of the first non-volatile memory device with an order configuration, ordering a plurality of trim sets stored in the first register to be transferred from the first register to the second register in a transfer sequence; selecting the one or more first selected trim sets from the plurality of trim sets; and transferring, the one or more first selected trim sets in the transfer sequence, according to the order configuration configured in the multiplexer, from the first register to the second register. ### Claim 2 (depends on 1) The computer-implemented method of claim 1, wherein the value of the operating condition of the first non-volatile memory device is a temperature data of the first non-volatile memory device. ### Claim 3 (depends on 1) The computer-implemented method of claim 1, wherein the value of the operating condition of the first non-volatile memory device is a program erase cycles (PEC) data of the first non-volatile memory device. ### Claim 4 (depends on 1) The computer-implemented method of claim 1, wherein selecting the one or more first selected trim sets from the plurality of trim sets comprises: selecting one or more input/output lines communicatively coupled to the one or more first selected trim sets respectively, wherein the one or more input/output lines are from a plurality of input/output lines coupled between the first register and the multiplexer. ### Claim 5 (depends on 1) The computer-implemented method of claim 1, comprising: determining whether a value of an operating condition of a second non-volatile memory device satisfies a certain second threshold; and in response to determining that the value of the operating condition of the second non-volatile memory device satisfies the certain second threshold: identifying one or more second selected trim sets calibrated for the second non-volatile memory device and associated with the satisfaction of the certain second threshold for an operating configuration of the second non-volatile memory device; and transferring one or more second control signals for the one or more second selected trim sets to the second non-volatile memory device, causing the one or more second selected trim sets to be used by the second non-volatile memory device. ### Claim 6 (depends on 5) The computer-implemented method of claim 5, wherein the one or more second selected trim sets are different from the one or more first selected trim sets. ### Claim 7 (depends on 5) The computer-implemented method of claim 5, wherein the one or more first selected trim sets are associated with quad-level cell programming of the first non-volatile memory device, and the one or more second selected trim sets are associated with triple-level cell programming of the second non-volatile memory device. ### Claim 8 (depends on 1) The computer-implemented method of claim 1, wherein the one or more first selected trim sets are calibrated based on a manufacturing variance of the first non-volatile memory device. ### Claim 9 (depends on 1) The computer-implemented method of claim 1, wherein the determination that the value of the operating condition of the first non-volatile memory device satisfies a certain first threshold is triggered by a new or changed value of the operating condition. ### Claim 10 (depends on 1) The computer-implemented method of claim 1, wherein the first register is configured with multiple input/output interfaces, and each of a plurality of input/output lines is communicatively coupled to one of the multiple input/output interfaces. ### Claim 11 A data storage system, comprising: a first non-volatile memory device, comprising: a first register configured to store a plurality of trim sets; a second register; and a multiplexer coupled between the first register and the second register; and a controller configured to cause: in response to a determination that a value of an operating condition of the first non-volatile memory device satisfies a certain first threshold, transfer of one or more first control signals to cause one or more first selected trim sets to be transferred from the first register to the second register to allow the one or more first selected trim sets to be used by the first non-volatile memory device, wherein the one or more first selected trim sets are associated with the satisfaction of the certain first threshold for an operating configuration of the first non-volatile memory device; wherein: the multiplexer is configured with an order configuration, ordering the plurality of trim sets stored in the first register to be transferred from the first register to the second register in a transfer sequence; when the multiplexer selects the one or more first selected trim sets from the plurality of trim sets, the multiplexer is configured, according to the order configuration, to transfer, the one or more first selected trim sets in the transfer sequence from the first register to the second register. ### Claim 12 (depends on 11) The data storage system of claim 11, wherein the value of the operating condition of the first non-volatile memory device is a temperature data of the first non-volatile memory device. ### Claim 13 (depends on 11) The data storage system of claim 11, wherein the value of the operating condition of the first non-volatile memory device is a program erase cycles (PEC) data of the first non-volatile memory device. ### Claim 14 (depends on 11) The data storage system of claim 11, wherein the one or more first selected trim sets are communicatively coupled to one or more input/output lines respectively, wherein the one or more input/output lines are from a plurality of input/output lines coupled between the first register and the multiplexer. ### Claim 15 (depends on 11) The data storage system of claim 11, wherein the controller is configured to cause: determining whether a value of an operating condition of a second non-volatile memory device satisfies a certain second threshold; and in response to determining that the value of the operating condition of the second non-volatile memory device satisfies the certain second threshold: identifying one or more second selected trim sets calibrated for the second non-volatile memory device and associated with the satisfaction of the certain second threshold for an operating configuration of the second non-volatile memory device; and transferring one or more second control signals for the one or more second selected trim sets to the second non-volatile memory device, causing the one or more second selected trim sets to be used by the second non-volatile memory device. ### Claim 16 (depends on 11) The data storage system of claim 11, wherein the one or more first selected trim sets are calibrated based on a manufacturing variance of the first non-volatile memory device. ### Claim 17 (depends on 11) The data storage system of claim 11, wherein the determination that the value of the operating condition of the first non-volatile memory device satisfies a certain first threshold is triggered by a new or changed value of the operating condition. ### Claim 18 An apparatus, comprising: means for, in response to a determination that a value of an operating condition of a first non-volatile memory device satisfies a certain first threshold, causing transfer of one or more first control signals to cause one or more first selected trim sets to be transferred from a first register to a second register to allow the one or more first selected trim sets to be used by the first non-volatile memory device, wherein the one or more first selected trim sets are associated with the satisfaction of the certain first threshold for an operating configuration of the first non-volatile memory device; means for configuring a multiplexer of the first non-volatile memory device with an order configuration, ordering a plurality of trim sets stored in the first register to be transferred from the first register to the second register in a transfer sequence; means for selecting the one or more first selected trim sets from the plurality of trim sets; and means for transferring, the one or more first selected trim sets in the transfer sequence, according to the order configuration configured in the multiplexer, from the first register to the second register. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein the determination that the value of the operating condition of the first non-volatile memory device satisfies a certain first threshold is triggered by a new or changed value of the operating condition. ### Claim 20 (depends on 18) The apparatus of claim 18, wherein the value of the operating condition of the first non-volatile memory device is a program erase cycles data of the first non-volatile memory device.