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Pin compatibility
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{{Short description|Electronics design technique}} {{Use dmy dates|date=January 2024}} {{more citations needed|date=May 2016}} In [[electronics]], '''pin-compatible''' devices are [[electronic component]]s, generally [[integrated circuit]]s or [[expansion card]]s, sharing a common [[Footprint (electronics)|footprint]] and with the same functions assigned or usable on the same [[Lead (electronics)|pin]]s.<ref name="dict-pincompat-define">{{cite web | url=http://www.businessdictionary.com/definition/pin-compatible.html | title=What is pin compatible? definition and meaning | publisher=WebFinance, Inc | work=BusinessDictionary.com | accessdate=4 March 2016}}</ref> Pin compatibility is a property desired by [[systems integrator]]s as it allows a product to be updated without redesigning [[printed circuit board]]s, which can reduce costs and decrease [[time to market]]. Although devices which are pin-compatible share a common footprint, they are not necessarily electrically or thermally compatible. As a result, manufacturers often specify devices as being either ''pin-to-pin'' or ''drop-in'' compatible.<ref name="altera-kb-compatibilitydefinition">{{cite web | url=https://www.altera.com/support/support-resources/knowledge-base/solutions/rd10261999_1469.html | title=What is the difference between pin-to-pin compatibility and drop-in compatibility? | publisher=Altera Corporation | work=Altera Knowledge Center Solution rd10261999_1469 | date=11 December 2012 | accessdate=4 March 2016}}</ref> Pin-compatible devices are generally produced to allow upgrading within a single [[product line]], to allow [[End-of-life (product)|end-of-life]] devices to be replaced with newer equivalents, or to compete with the equivalent products of other manufacturers.
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