A semiconductor random access memory (RAM) is disclosed having a number of array blocks (14), each array block (14) including standard rows, standard columns, redundant rows (24) and redundant columns (26). A row redundancy circuit (44) is provided for each array block that includes a single row fuse...http://www.google.com/patents/US5532966?utm_source=gb-gplus-sharePatent US5532966 - Random access memory redundancy circuit employing fusible links
