发明名称 |
Fault position determining circuit, storage device and information processing apparatus |
摘要 |
A fault analyzing circuit has: a comparing circuit to compare fault data stored in a storage area with a fault being caused with data of an alternation register; and a position identifying circuit to identify an error bit position from data of a comparative result of the comparing circuit. |
申请公布号 |
US8806318(B2) |
申请公布日期 |
2014.08.12 |
申请号 |
US201213562707 |
申请日期 |
2012.07.31 |
申请人 |
Fujitsu Limited |
发明人 |
Hirano Takahito |
分类号 |
G06F7/02;G06F11/07;G06F11/10;G06F11/16;G11C29/00 |
主分类号 |
G06F7/02 |
代理机构 |
Fujitsu Patent Center |
代理人 |
Fujitsu Patent Center |
主权项 |
1. A fault position determining circuit connected to a storage unit and an alternation register to retain, when a fault occurs in a storage area in the storage unit to which data is written, the data by way of an alternation area of the storage area, the circuit comprising:
a comparing circuit to compare fault data stored in the storage area having the fault with the data retained in the alternation register; and a position identifying circuit to identify a fault bit position of the fault data on the basis of a comparative result of the comparing circuit. |
地址 |
Kawasaki JP |