A semiconductor memory device includes a memory collar, a repair data analyzer, a BIST block, and a system logic. The memory collar includes a memory cell and a spare cell and have a redundancy function of replacing fail memory cell with the spare cell if fail memory cell exists. The repair data analyzer...http://www.google.de/patents/US7057948?utm_source=gb-gplus-sharePatent US7057948 - Semiconductor integrated circuit device having a test function
