Protection device for an erasable and reprogrammable ROM

Abstract

Abstract Translated from French L'invention concerne un dispositif de protection d'une mémoire (1) morte effaçable et reprogrammable, qui comporte une cellule mémoire (6) et des moyens d'écriture et de lecture de la cellule (6) permettant de programmer cette cellule à un état déterminé, la programmation de cette cellule permettant d'empêcher toute reprogrammation de la mémoire sans effacement préalable de la cellule. Application aux mémoires mortes effaçables et reprogrammables. The invention relates to a device for protecting an erasable and reprogrammable read only memory (1), which comprises a memory cell (6) and means for writing and reading the cell (6) making it possible to program this cell to a determined state, the programming of this cell making it possible to prevent any reprogramming of the memory without first erasing the cell. Application to erasable and reprogrammable read-only memories.

Inventors

• 👤 Augustin Farrugia

Bibliographic Details