A non-volatile semiconductor memory device includes: a memory cell array in which electrically rewritable floating gate type memory cells are arranged; and a plurality of sense amplifier circuits configured to read data from the memory cell array, wherein each the sense amplifier circuit is configured...http://www.google.de/patents/US20040213031?utm_source=gb-gplus-sharePatent US20040213031 - Non-volatile semiconductor memory device and electric device with the same
