发明授权
- 专利标题: Storage apparatus and operation method for operating the same
- 专利标题(中): 存储装置及其操作方法
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申请号: US13397282申请日: 2012-02-15
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公开(公告)号: US08570787B2公开(公告)日: 2013-10-29
- 发明人: Makoto Kitagawa , Tsunenori Shiimoto , Tomohito Tsushima
- 申请人: Makoto Kitagawa , Tsunenori Shiimoto , Tomohito Tsushima
- 申请人地址: JP Tokyo
- 专利权人: Sony Corporation
- 当前专利权人: Sony Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Rader, Fishman & Grauer PLLC
- 优先权: JP2011-029584 20110215
- 主分类号: G11C11/00
- IPC分类号: G11C11/00
摘要:
A storage apparatus includes: a plurality of storage elements configured to have the resistance state thereof changed in accordance with an applied voltage; and a drive portion configured to perform a resistance change operation and a read operation, the resistance change operation involving writing or erasing information to or from the storage elements by changing the resistance state thereof, the read operation involving reading the information from the storage elements; wherein the drive portion includes an amplifier configured to output a read signal upon execution of the read operation, a constant current load, and a control portion configured to perform the resistance change operation and a direct verify operation on the storage elements, the direct verify operation involving carrying out, subsequent to the resistance change operation, the read operation for verifying whether the writing or erasing of the information to or from the storage elements has been normally accomplished.
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