Semiconductor & Computer Engineering
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A '''microprocessor family''' or a '''CPU family''' is a group of [[microprocessor]]s, [[microcontroller]]s, or component chips that make up one, developed by a specific manufacturer that share the same general architecture and feature set. Within a specific family, chips may be may be further classified according to their model which may have different capabilities, clock speeds, and applications. Models may be further divided into [[microprocessor stepping|stepping]] which are minor refinements and tweaks in order to correct and enhance the stability and reliability of the model. | A '''microprocessor family''' or a '''CPU family''' is a group of [[microprocessor]]s, [[microcontroller]]s, or component chips that make up one, developed by a specific manufacturer that share the same general architecture and feature set. Within a specific family, chips may be may be further classified according to their model which may have different capabilities, clock speeds, and applications. Models may be further divided into [[microprocessor stepping|stepping]] which are minor refinements and tweaks in order to correct and enhance the stability and reliability of the model. | ||
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| + | While families is a good way of classifying chip according to architecture, historically, there has been more than a few instances where developers introduces significant architectural changes to the same family, such as {{intel|execute disable|XD}}, {{amd|no execute|NX}}, and various {{x86|SSE}} extensions. | ||
==See also== | ==See also== | ||
Revision as of 14:42, 1 November 2015
A microprocessor family or a CPU family is a group of microprocessors, microcontrollers, or component chips that make up one, developed by a specific manufacturer that share the same general architecture and feature set. Within a specific family, chips may be may be further classified according to their model which may have different capabilities, clock speeds, and applications. Models may be further divided into stepping which are minor refinements and tweaks in order to correct and enhance the stability and reliability of the model.
While families is a good way of classifying chip according to architecture, historically, there has been more than a few instances where developers introduces significant architectural changes to the same family, such as XD, NX, and various SSE extensions.