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{{intel title|80486|arch}}
 
{{intel title|80486|arch}}
 
{{microarchitecture
 
{{microarchitecture
| atype            = CPU
+
| type            = CPU
 
| name            = 80486
 
| name            = 80486
 
| designer        = Intel
 
| designer        = Intel
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| process 2        = 800 nm
 
| process 2        = 800 nm
 
| process 3        = 600 nm
 
| process 3        = 600 nm
|isa=x86-32
 
  
 
| succession      = Yes
 
| succession      = Yes
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}}
 
}}
 
'''80486''' was the [[microarchitecture]] for [[Intel]]'s {{intel|80486}} line of microprocessors as a successor to the {{\\|80386}}. Introduced in April of 89, 80486 was initially manufactured using [[1 µm process]] (later [[800 nm]]). For AMD, this microarchitecture was used for their {{amd|Am486}} and {{amd|Am5x86}} families. This architecture was superseded by Intel's {{\\|P5}} in 1992 and {{amd|microarchitectures/k5|K5}} in 1994.
 
'''80486''' was the [[microarchitecture]] for [[Intel]]'s {{intel|80486}} line of microprocessors as a successor to the {{\\|80386}}. Introduced in April of 89, 80486 was initially manufactured using [[1 µm process]] (later [[800 nm]]). For AMD, this microarchitecture was used for their {{amd|Am486}} and {{amd|Am5x86}} families. This architecture was superseded by Intel's {{\\|P5}} in 1992 and {{amd|microarchitectures/k5|K5}} in 1994.
 
== History ==
 
{{empty section}}
 
 
== Process Technology ==
 
{{empty section}}
 
 
== Architecture ==
 
 
=== Key changes from {{\\|80386}} ===
 
* Testability
 
** [[JTAG]] interface support (Std. 1149.1-1990)
 
 
== Die Shot ==
 
* [[1 µm process]]
 
* 1,200,000 transistors
 
[[File:486dx die shot.png]]
 

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codename80486 +
designerIntel +
first launchedApril 10, 1989 +
full page nameintel/microarchitectures/80486 +
instance ofmicroarchitecture +
instruction set architecturex86-32 +
manufacturerIntel + and AMD +
microarchitecture typeCPU +
name80486 +
phase-out1995 +
process1,000 nm (1 μm, 0.001 mm) +, 800 nm (0.8 μm, 8.0e-4 mm) + and 600 nm (0.6 μm, 6.0e-4 mm) +