Patent ID: 8243537

Claim:
A semiconductor storage device comprising: a memory cell array that stores data and includes a plurality of memory cells two dimensionally arrayed on row and column lines extending along row and column directions, at least one of the memory cells assigned to a redundant memory cell having a larger area size than the other memory cells, the plurality of memory cells and at least one of the redundant memory cells arrayed on at least one of the row lines; and a plurality of sense amplifiers that amplify a first output signal from the memory cells, at least one of the sense amplifiers arrayed on the respective column lines, at least one of the sense amplifiers assigned to a redundant sense amplifier that amplifies a second output signal from the redundant memory cell having a larger area size than the other sense amplifiers, the plurality of sense amplifiers and at least one of the redundant sense amplifiers arrayed on at least one of the row lines.