A virtual ground electrically programmable read-only memory device in which disturbance to neighboring cells is practically eliminated, is disclosed. In one embodiment the memory device comprises a plurality of memory cells formed in a semiconductor substrate and arranged in rows and columns so as to...http://www.google.es/patents/US4992980?utm_source=gb-gplus-sharePatente US4992980 - Novel architecture for virtual ground high-density EPROMS
Novel architecture for virtual ground high-density EPROMS
