Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christophe Moreaux0
Ahmed Kari0
David Naura0
Pierre Rizzo0
Date of Patent
March 16, 2010
0Patent Application Number
120437660
Date Filed
March 6, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A persistent volatile memory cell memorizes a binary datum during a retention time independent from a supply voltage of the memory cell. The memory cell comprises a capacitive memory point supplying a persistent voltage and having a determined discharge time, a switch for triggering the discharge of the memory point when an erase signal has an active value, a switch for triggering the charge of the memory point when a write signal has an active value, and a sense-amplifier circuit having an input receiving the persistent voltage, and an output supplying the binary datum. The memory cell can be applied to the management of an inventory flag in a contactless integrated circuit.
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