Device and method for reading out memory information

Details Device and method for reading out memory information Device and method for reading out memory information

2007-08-29

2009-11-17

Auduong, Gene N. (Department: 2827)

Static information storage and retrieval

Floating gate

Particular connection

C365S189070, C365S185200, C365S185210

Reexamination Certificate

active

07619924

ABSTRACT:
A device for reading out memory information storable in a memory has an integrator and a comparator. The memory provides, in a hold phase, a leakage current, and in a readout phase, a readout current. The readout current is dependent on the stored memory information. The integrator is adapted to integrate a quantity derived from the leakage current during the hold phase, and to provide a leakage voltage corresponding to an integrated leakage current. The integrator is further adapted to integrate a quantity derived from the readout current during the readout phase, and to provide a readout voltage corresponding to an integrated readout current. The comparator may compare the leakage voltage to the readout voltage and provide, in dependence on the comparison, a readout value corresponding to the memory information.

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patent: 7446549 (2008-11-01), Tomita et al.
patent: 2009/0073760 (2009-03-01), Betser et al.
patent: 2 814 583 (2002-03-01), None

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