A method for enhancing erase of a non-volatile memory device in which the method prevents the over-erase of the memory device is disclosed. The disclosed method includes steps which are performed to precondition the memory device before a program or erase cycle is initiated. The method includes performing...http://www.google.com.au/patents/US20050078527?utm_source=gb-gplus-sharePatent US20050078527 - Method of over-erase prevention in a non-volatile memory device and related structure