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Intel 4004


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Definition: QFN


(Quad Flat No-Lead) A popular chip package that has flat metal pads on the bottom rather than external leads. Used in various consumer products, QFN packages are noted for their low cost and small form factor. See chip package.




QFN Packages
The square in the center of the QFN package is a thermal pad for heat dissipation. (Image courtesy of Nisshinbo Micro Devices Inc.)





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