The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2015
Filed:
Jun. 26, 2012
Giuseppe Castagna, Palermo, IT;
Vincenzo Matranga, Palermo, IT;
Maurizio Francesco Perroni, Furnari, IT;
Giuseppe Castagna, Palermo, IT;
Vincenzo Matranga, Palermo, IT;
Maurizio Francesco Perroni, Furnari, IT;
STMicroelectronics S.R.L., Agrate Brianza (MB), IT;
Abstract
A nonvolatile memory device includes a discharge circuit configured to selectively connect circuit nodes to discharge terminals through corresponding discharge paths, and an accumulation device for accumulating electric charge. A driving circuit is for driving the discharge circuit in such a way to connect at least a part of such circuit nodes to the discharge terminals if the value of the external supply voltage falls below a corresponding threshold. A supply circuit is for supplying the driving circuit with an intermediate supply voltage. Each one of the intermediate supply voltages is the corresponding external supply voltage when the value of the external supply voltage is higher than the corresponding threshold, or it is an internal voltage locally generated by the supply circuit by exploiting the electric charge stored by the accumulation device when the value of the external supply voltage is lower than the corresponding threshold.