Programmable logic array integrated circuit architectures (US6366121)

Application Number	Filed	Pub. Date	Title
US1999000328704	1999-06-09
US1997000807561	1997-02-28	1999-10-05	Programmable logic array integrated circuit architectures
US1995000442795	1995-05-17	1997-11-18	Programmable logic array integrated circuit devices


	Parent Case:			CROSS REFERENCE TO RELATED APPLICATIONS This is a continuation of U.S. patent application Ser. No. 09/328,704, filed Jun. 9, 1999, which is a division of U.S. patent application Ser. No. 08/807,561, filed Feb. 28, 1997 (now U.S. Pat. No. 5,963,049), which is a continuation-in-part of U.S. patent application Ser. No. 08/442,795, filed May 17, 1995 (now U.S. Pat. No. 5,689,195) and which claims the benefit of U.S. provisional patent application No. 60/021,449, filed Jul. 10, 1996. All of these prior applications are hereby incorporated by reference herein in their entireties.
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	First Claim: Show all 16 claims			The invention claimed is: 1. A programmable logic device comprising: a plurality of regions of programmable logic disposed on the device in a two-dimensional array of intersecting rows and columns of the regions, each of the regions including a plurality of subregions of programmable logic; a plurality of interconnection conductors extending parallel to each of the rows; driver circuitry associated with each of the interconnection conductors and adapted to drive an applied signal onto the associated interconnection conductor; and selection circuitry associated with each driver circuitry and adapted to select an output signal of any one of at least three of the subregions that are respectively located in three of the columns that are adjacent to one another as the signal applied to the associated driver circuitry.
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U.S. References:

Go to Result Set: All U.S. references | No patents reference this one | Backward references (39) | Citation Link

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Foreign References:

Publication	Date	IPC Code	Assignee	Title
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WO9522205	1995-08	H03K 19/177	XILINX, INC.	TILE BASED ARCHITECTURE FOR FPGA