05469003 is referenced by 306 patents and cites 12 patents.

An field programmable gate array (FPGA) of cells arranged in rows and columns is interconnected by a hierarchical routing structure. Switches separate the cells into blocks and into blocks of blocks with routing lines interconnecting the switches to form the hierarchy. Also, select units for allowing memory bits to be addressed both individually and in large and arbitrary groups are disclosed. Further a control store for configuring the FPGA is addressed as an SRAM and can be dynamically reconfigured during operation.

Title
Hierarchically connectable configurable cellular array
Application Number
8/148793
Publication Number
5469003
Application Date
November 5, 1993
Publication Date
November 21, 1995
Inventor
Thomas A Kean
Edinburgh
GB
Agent
Edel M Young
Assignee
Xilinx
CA, US
IPC
H03K 19/177
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