发明名称 MEMORY DEVICE THAT PERFORMS GARBAGE COLLECTION
摘要 A memory device includes a nonvolatile memory unit including a plurality of blocks, and a memory controller. The memory controller is configured to determine target blocks for garbage collection, and transfer valid data in the target blocks to another block during the garbage collection. The target blocks includes a first block that has a valid data ratio greater than zero and equal to or smaller than a predetermined value and a second block that has a valid data ratio greater than the predetermined value.
申请公布号 US2016321172(A1) 申请公布日期 2016.11.03
申请号 US201615015466 申请日期 2016.02.04
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 JINZENJI Akihide;UEKI Katsuhiko
分类号 G06F12/02 主分类号 G06F12/02
代理机构 代理人
主权项 1. A memory device, comprising: a nonvolatile memory unit including a plurality of blocks; and a memory controller configured to determine target blocks for garbage collection, the target blocks including a first block that has a valid data ratio greater than zero and equal to or smaller than a predetermined value and a second block that has a valid data ratio greater than the predetermined value, and transfer valid data in the target blocks to another block during the garbage collection.
地址 Tokyo JP