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Re: gEDA-user: 20050329 install problem
On Sunday 03 April 2005 15:53, Dan McMahill wrote:
> I think its a tough thing to give any sort of decent coverage in
> a book. One issue is there is a lot of vendor specific terminology.
> "pattern" vs "footprint" vs "layout view" for example refering to
> the physical view of a component. Also the type of EDA flow which
> is desired or even reasonable varies _dramatically_ with the
> project at at hand. I'm not even talking about the broad class of
> project like board design vs ic design, but rather the gory
> details of the particular project.
A good example of this is the 4-input LUT-based FPGA. Originally, this was
an idea that Xilinx implimented. Later, Altera came up with their own FPGA
that also was a 4-input LUT FPGA. Xilinx sued Altera for patent infringement.
Altera payed $20 Million USD to Xilinix and agreed to call thier 4-input
LUT-based FPGAs CPLDs.
The corporate perspective is that $20 Millon USD changed hands. From a design
standpoint, the outcome changed the nomenclature of two identical
technologies.
Regards
Marvin