Electronic digital logic circuitry – Multifunctional or programmable – Array
Reexamination Certificate
2011-08-23
2011-08-23
Barnie, Rexford N (Department: 2819)
Electronic digital logic circuitry
Multifunctional or programmable
Array
C326S038000
Reexamination Certificate
active
08004309
ABSTRACT:
A Programmable Logic Device (PLD) structure using third dimensional memory is disclosed. The PLD structure includes a switch configured to couple a polarity of a signal (e.g., an input signal applied to an input) to a routing line and a non-volatile register configured to control the switch. The non-volatile register may include a non-volatile memory element, such as a third dimension memory element. The non-volatile memory element may be a two-terminal memory element that retains stored data in the absence of power and stores data as a plurality of conductivity profiles that can be non-destructively sensed by applying a read voltage across the two terminals. New data can be written to the two-terminal memory element by applying a write voltage across the two terminals. Logic and other active circuitry can be positioned in a substrate and the non-volatile memory element can be positioned on top of the substrate.
REFERENCES:
patent: 7307445 (2007-12-01), Liang et al.
patent: 7382153 (2008-06-01), Ou-yang et al.
patent: 2009/0051390 (2009-02-01), Heragu et al.
Barnie Rexford N
Tran Thienvu V
Unity Semiconductor Corporation
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