发明授权
- 专利标题: Semiconductor storage device
- 专利标题(中): 半导体存储设备
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申请号: US13462905申请日: 2012-05-03
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公开(公告)号: US09229863B2公开(公告)日: 2016-01-05
- 发明人: Eiji Yoshihashi , Hirokuni Yano , Shinji Yonezawa
- 申请人: Eiji Yoshihashi , Hirokuni Yano , Shinji Yonezawa
- 申请人地址: JP Tokyo
- 专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2009-288503 20091218
- 主分类号: G06F12/00
- IPC分类号: G06F12/00 ; G06F12/08
摘要:
According to the embodiments, a first storage area and a second storage area specified by a trim request is managed by a first management unit, and the second storage area specified by the trim request is managed by a second management unit. A block in which data of the first management unit are all specified by the trim request from the first or second storage areas and a block in which data of the second management unit are all specified by the trim request from the second storage area are released.
公开/授权文献
- US20120221776A1 SEMICONDUCTOR STORAGE DEVICE 公开/授权日:2012-08-30
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