WORDLINE OR PILLAR STATE DETECTION FOR FASTER READ ACCESS TIMES

    公开(公告)号:US20250104781A1

    公开(公告)日:2025-03-27

    申请号:US18973880

    申请日:2024-12-09

    Abstract: A memory device includes an array of memory cells associated with multiple wordlines and control logic operatively coupled with the array. The control logic, in performing a read operation, can determine a length of time that a selected wordline, of the multiple wordlines, takes to reach a pass voltage for reading data from a memory cell associated with the selected wordline. The control logic can select a delay time based on whether the length of time is associated with a transient state or a non-transient state. The control logic can read the data from the memory cell associated with the selected wordline after the selected delay time.

    CURRENT MANAGEMENT DURING DATA BURST OPERATIONS IN A MULTI-DIE MEMORY DEVICE

    公开(公告)号:US20240241643A1

    公开(公告)日:2024-07-18

    申请号:US18407239

    申请日:2024-01-08

    CPC classification number: G06F3/061 G06F3/0659 G06F3/0679

    Abstract: Control logic on a memory die of a multi-die memory sub-system receives, from a memory sub-system controller, a data burst command indicating an upcoming data burst event and determines an expected current utilization in the memory sub-system during the data burst event. The control logic further determines whether the expected current utilization in the memory sub-system during the data burst event satisfies a threshold criterion and responsive to determining that the expected current utilization in the memory sub-system during the data burst event does not satisfy the threshold criterion, pauses one or more operations being executed by the control logic on the memory die until the expected current utilization in the memory sub-system during the data burst event satisfies the threshold criterion. Responsive to determining that the expected current utilization in the memory sub-system during the data burst event satisfies the threshold criterion, the control logic provides, to the memory sub-system controller, an indication that the data burst event is approved and can perform one or more operations corresponding to the data burst event.

    Prioritized power budget arbitration for multiple concurrent memory access operations

    公开(公告)号:US11977748B2

    公开(公告)日:2024-05-07

    申请号:US17668311

    申请日:2022-02-09

    CPC classification number: G06F3/0625 G06F3/0653 G06F3/0659 G06F3/0679

    Abstract: A memory device includes memory dice, each memory die including: a memory array; a memory to store a data structure; and control logic that includes: multiple processing threads to execute memory access operations on the memory array concurrently; a priority ring counter, the data structure to store an association between a value of the priority ring counter and a subset of the multiple processing threads; a threads manager to increment the value of the priority ring counter before a power management cycle and to identify one or more prioritized processing threads corresponding to the subset of the multiple processing threads; and a peak power manager coupled with the threads manager and to prioritize allocation of power to the one or more prioritized processing threads during the power management cycle.

    WORDLINE OR PILLAR STATE DETECTION FOR FASTER READ ACCESS TIMES

    公开(公告)号:US20230197169A1

    公开(公告)日:2023-06-22

    申请号:US18083304

    申请日:2022-12-16

    CPC classification number: G11C16/32 G11C16/102 G11C16/08

    Abstract: A memory device includes an array of memory cells arranged in sub-blocks. Memory cells of a sub-block are coupled to a pillar of the array and are associated with multiple wordlines. To perform a read operation, control logic coupled with the array performs operations including: tracking a length of time that a selected wordline takes to reach a pass voltage before being able to read data from a memory cell associated with the selected wordline; in response to the length of time satisfying a first threshold criterion, causing a first delay time to pass before reading the data; and in response to the length of time satisfying a second threshold criterion that is longer than the first threshold criterion, causing a second delay time to pass before reading the data, the second delay time being longer than the first delay time.

    PRIORITIZED POWER BUDGET ARBITRATION FOR MULTIPLE CONCURRENT MEMORY ACCESS OPERATIONS

    公开(公告)号:US20230084630A1

    公开(公告)日:2023-03-16

    申请号:US17668311

    申请日:2022-02-09

    Abstract: A memory device includes memory dice, each memory die including: a memory array; a memory to store a data structure; and control logic that includes: multiple processing threads to execute memory access operations on the memory array concurrently; a priority ring counter, the data structure to store an association between a value of the priority ring counter and a subset of the multiple processing threads; a threads manager to increment the value of the priority ring counter before a power management cycle and to identify one or more prioritized processing threads corresponding to the subset of the multiple processing threads; and a peak power manager coupled with the threads manager and to prioritize allocation of power to the one or more prioritized processing threads during the power management cycle.

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