A complementary SONOS-type (CSONOS) logic device is programmed and erased with a common voltage. The programming method involves reading the logic state of a complementary pair without disturbing the logic state after setting the complementary pair of non-volatile trapped-charge memory devices, including...http://www.google.fr/patents/US7787303?utm_source=gb-gplus-shareBrevet US7787303 - Programmable CSONOS logic element
