A non-volatile memory stores both analog and digital information in an array, and has digital and analog read and write circuits and dual I/O interfaces which allow input and output signals in digital or analog form. A user selects the input signal, output signal, and data storage formats. Each...http://www.google.fr/patents/US5801980?utm_source=gb-gplus-shareBrevet US5801980 - Testing of an analog memory using an on-chip digital input/output interface
Testing of an analog memory using an on-chip digital input/output interface ...
