A method for programming one or more reference cells is described. The reference cell is programmed a predetermined amount, its program state is sensed relative to a prescribed cell on the same die (e.g., a memory cell or a golden bit cell), and the programming process continues until the reference cell...http://www.google.de/patents/US7064983?utm_source=gb-gplus-sharePatent US7064983 - Method for programming a reference cell
