Non-volatile memory configuration scheme for...

Details Non-volatile memory configuration scheme for... Non-volatile memory configuration scheme for...

2006-09-26

2006-09-26

Le, Don (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

C326S041000

Reexamination Certificate

active

07112993

ABSTRACT:
A non-volatile memory configuration scheme is disclosed for volatile-memory-based programmable circuits in a programmable integrated circuit that includes an FPGA fabric, a plurality of first configurable circuit elements external to the FPGA fabric, and a plurality of second configurable circuit elements external to the FPGA fabric. A plurality of distributed configuration non-volatile memory cells is disposed in the FPGA, each one of the distributed configuration non-volatile memory cells coupled to a different one of the plurality of first configurable circuit elements. A non-volatile memory array stores configuration information for the second configurable circuit elements. A plurality of register cells is disposed with the second configurable circuit elements and is coupleable to the non-volatile memory array, each one of the register cells coupled to a different one of the plurality of second configurable circuit elements.

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patent: 7030651 (2006-04-01), Madurawe
patent: 7034569 (2006-04-01), Balasubramanian et al.

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