Memory device for detecting a defective memory chip

    公开(公告)号:US10754724B2

    公开(公告)日:2020-08-25

    申请号:US16122146

    申请日:2018-09-05

    Abstract: A memory device includes a plurality of memory chips storing and outputting data in response to a control command and an address command, at least one ECC memory chip providing an error check and correction (ECC) function on the data stored and output by the plurality of the memory chips, and a controller, marking a memory chip in which a defective memory cell is detected among the plurality of memory chips, as a defective memory chip, storing data of the defective memory chip in the ECC memory chip, and controlling the defective memory chip to execute a post package repair (PPR).

    Memory device for detecting a defective memory chip

    公开(公告)号:US11314590B2

    公开(公告)日:2022-04-26

    申请号:US16934788

    申请日:2020-07-21

    Abstract: A memory device includes a plurality of memory chips storing and outputting data in response to a control command and an address command, at least one ECC memory chip providing an error check and correction (ECC) function on the data stored and output by the plurality of the memory chips, and a controller, marking a memory chip in which a defective memory cell is detected among the plurality of memory chips, as a defective memory chip, storing data of the defective memory chip in the ECC memory chip, and controlling the defective memory chip to execute a post package repair (PPR).

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