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:
Sep. 12, 2000
Filed:
Aug. 21, 1997
Jean-Francedilla.ois Leon, Biver, FR;
Sebastien Zink, Aix en Provence, FR;
SGS-Thomson Microelectronics S.A., Gentilly, FR;
Abstract
Disclosed is a device for protection of stored data comprising protection means to control a signal to enable the programming of a memory, the programming being permitted when the enabling signal is in a first state and prohibited when the enabling signal is in a second state, the protection means including a supply voltage drop detection device to set the enabling signal in the second state when the supply voltage is below a threshold, said device further comprising a time delay circuit capable of setting the enabling signal in the second state during a given period when a control signal goes into a first state.