发明授权
- 专利标题: Flexible row redundancy system
- 专利标题(中): 灵活的行冗余系统
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申请号: US11031138申请日: 2005-01-07
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公开(公告)号: US07404113B2公开(公告)日: 2008-07-22
- 发明人: Louis L. Hsu , Gregory J. Fredeman , Rajiv V. Joshi , Toshiaki Kirihata
- 申请人: Louis L. Hsu , Gregory J. Fredeman , Rajiv V. Joshi , Toshiaki Kirihata
- 申请人地址: US NY Armonk
- 专利权人: International Business Machines Corporation
- 当前专利权人: International Business Machines Corporation
- 当前专利权人地址: US NY Armonk
- 代理商 Brian P. Verminski
- 主分类号: G11C29/00
- IPC分类号: G11C29/00
摘要:
A row redundancy system is provided for replacing faulty wordlines of a memory array having a plurality of banks. The row redundancy system includes a remote fuse bay storing at least one faulty address corresponding to a faulty wordline of the memory array; a row fuse array for storing row fuse information corresponding to at least one bank of the memory array; and a copy logic module for copying at least one faulty address stored in the remote fuse bay into the row fuse array; the copy logic module is programmed to copy the at least one faulty address into the row fuse information stored in the row fuse array corresponding to a predetermined number of banks in accordance with a selectable repair field size.
公开/授权文献
- US20050122801A1 Flexible row redundancy system 公开/授权日:2005-06-09
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