发明专利
TW200915334A 冗餘線分配裝置、記憶體修補裝置、冗餘線分配方法、記憶體製造方法以及電腦可讀取媒體 SPARE LINE ALLOCATION DEVICE, MEMORY SUPPLEMENTARY DEVICE, SPARE LINE ALLOCATION METHOD, MEMORY MANUFACTION METHOD AND COMPUTER READIBLE MEDIA
审中-公开
基本信息:
- 专利标题： 冗餘線分配裝置、記憶體修補裝置、冗餘線分配方法、記憶體製造方法以及電腦可讀取媒體 SPARE LINE ALLOCATION DEVICE, MEMORY SUPPLEMENTARY DEVICE, SPARE LINE ALLOCATION METHOD, MEMORY MANUFACTION METHOD AND COMPUTER READIBLE MEDIA
- 专利标题（英）：Spare line allocation device, memory supplementary device, spare line allocation method, memory manufaction method and computer readible media
- 专利标题（中）：冗余线分配设备、内存修补设备、冗余线分配方法、内存制造方法以及电脑可读取媒体 SPARE LINE ALLOCATION DEVICE, MEMORY SUPPLEMENTARY DEVICE, SPARE LINE ALLOCATION METHOD, MEMORY MANUFACTION METHOD AND COMPUTER READIBLE MEDIA
- 申请号：TW097127654 申请日：2008-07-21
- 公开(公告)号：TW200915334A 公开(公告)日：2009-04-01
- 发明人： 藤井俊朗 FUJII, TOSHIRO
- 申请人： 愛德萬測試股份有限公司 ADVANTEST CORPORATION
- 申请人地址： 日本
- 专利权人： 愛德萬測試股份有限公司 ADVANTEST CORPORATION
- 当前专利权人： 愛德萬測試股份有限公司 ADVANTEST CORPORATION
- 当前专利权人地址： 日本
- 代理人： 詹銘文; 蕭錫清
- 优先权： 世界智慧財產權組織 PCT/JP2007/064670 20070726
- 主分类号： G11C
- IPC分类号： G11C
The present invention provides a spare line allocation device used for allocating a spare line to any fail line in a memory which provides spare lines. The spare line allocation device contains a bit counting unit to count numbers of vertical fail bits for each fail bit on each fail line, wherein the number of vertical fail bit is a total number of fail bits on a fail line and on a fail line intersecting the fail line at a fail bit in different direction, and to store the numbers of vertical fail bit corresponding to each fail bit; a weight calculating unit to calculate weight coefficients for each fail line based on the number of vertical fail bits on a fail line, and to store each weight coefficient corresponding to each fail line; and an allocation unit to decide the allocation of a spare line to which one of the fail lines according to the weight coefficient calculated by the weight calculating unit.
公开/授权文献:
- TWI400710B 冗餘線分配裝置、記憶體修補裝置、冗餘線分配方法、記憶體製造方法以及電腦可讀取媒體 公开/授权日：2013-07-01