The Great 28nm Debacle!
40nm was a big node while I was Director of Foundries at the IP company Virage Logic which was later acquired by Synopsys. 40nm was big because the top fabless companies multi-sourced designs from one foundry to another with relative ease to get the best wafer prices. It was also the node where some of the big IDMs went fab-lite moving their leading edge IP and designs to the pure-play foundries.
I totally get the need for multi-sourcing. In my personal life I multisource my technology needs so I’m not beholden to any one company. I use FireFox for browsing, Yahoo for news, Google for search and maps, iPhones and iPads, Microsoft based laptops, it seems like human nature 2.0. In business however it's a double edged sword, absolutely.
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