Intel 8080: Difference between revisions

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The '''Intel 8080''' is an [[eight-bit microprocessor]] designed and manufactured by [[Intel]] in the mid 1970s.<ref name=thocp1974-75>
The '''Intel 8080''' is an [[eight-bit microprocessor designed and manufactured by [[Intel in the mid 1970s.<ref name=thocp1974-75>
{{cite news
{{cite news
| url=http://www.thocp.net/timeline/1974.htm
| url=http://www.thocp.net/timeline/1974.htm
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| publisher=[[History of Computing]]
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| '''number of transistors''' || 6,000 transistor on die
| '''number of transistors''' || 6,000 transistor on die
|-
|-
| '''clock speed''' || 2 [[megahertz]]
| '''clock speed''' || 2 [[megahertz
|-
|-
| '''instruction set''' || 75 instructions
| '''instruction set''' || 75 instructions
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| url=http://www.ami.ac.uk/courses/ami4655_micros/u01/micro01evol.asp
| url=http://www.ami.ac.uk/courses/ami4655_micros/u01/micro01evol.asp
| title=A Brief Summary of the first 20 years of Microprocessor Evolution (1971 -1993)
| title=A Brief Summary of the first 20 years of Microprocessor Evolution (1971 -1993)
| publisher=[[University of Bolton]]
| publisher=[[University of Bolton
| accessdate=2008-03-01
| accessdate=2008-03-01
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| quote=
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| '''initial cost''' || $360 each
| '''initial cost''' || $360 each
|}
|}
Like rival microprocessors like the [[Motorola 6800]], the Intel 8080 used registers that were only eight bits wide.
Like rival microprocessors like the [[Motorola 6800, the Intel 8080 used registers that were only eight bits wide.


[[Zilog]] later produced a object compatible replacement, the [[Zilog Z80|Z80]], with some extended features.
[[Zilog later produced a object compatible replacement, the [[Zilog Z80|Z80, with some extended features.


The [[Altair (microcomputer)|Altair]], [[Imsai]] and [[Tandy Radio Shack]] [[TRS80]] microcomputer was built around the intel 8080.<ref name=IntelMuseum8080>
The [[Altair (microcomputer)|Altair, [[Imsai and [[Tandy Radio Shack [[TRS80 microcomputer was built around the intel 8080.<ref name=IntelMuseum8080>
{{cite news
{{cite news
| url=http://www.intel.com/museum/online/hist_micro/hof/index.htm
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The 8080 is the lineal ancestor of intel's later designs, the  
The 8080 is the lineal ancestor of intel's later designs, the  
[[intel 8088|8088]],
[[intel 8088|8088,
[[intel 8086|8086]],
[[intel 8086|8086,
[[intel 80186|186]],
[[intel 80186|186,
[[intel 80286|286]],
[[intel 80286|286,
[[intel 80386|386]],
[[intel 80386|386,
[[intel 80486|486]] and all of intel's Pentium processors.<ref name=UniversityOfBolton/>
[[intel 80486|486 and all of intel's Pentium processors.<ref name=UniversityOfBolton/>
The 8080 was the lineal descendant of the [[Intel 4004]] and [[Intel 8008]] microprocessors.<ref name=IntelMuseum8080/>
The 8080 was the lineal descendant of the [[Intel 4004 and [[Intel 8008 microprocessors.<ref name=IntelMuseum8080/>


Later integrated circuits intended for [[embedded computer]] applications, like the [[Intel 8052]], incorporated the intel 8080 architecture, memory, and what had previously been various support chips on a single chip, allowing a "computer on a chip".<ref name=thocp1974-75/>   
Later integrated circuits intended for [[embedded computer applications, like the [[Intel 8052, incorporated the intel 8080 architecture, memory, and what had previously been various support chips on a single chip, allowing a "computer on a chip".<ref name=thocp1974-75/>   
The 8052 was embedded in non-computer devices, like microwave ovens, and electronic fuel ignitions.
The 8052 was embedded in non-computer devices, like microwave ovens, and electronic fuel ignitions.


==References==
==References==
<references/>
<references/>

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The Intel 8080 is an [[eight-bit microprocessor designed and manufactured by [[Intel in the mid 1970s.[1]

intel 8080 specifications
specification value
number of transistors 6,000 transistor on die
clock speed 2 [[megahertz
instruction set 75 instructions
Registers seven eight bit registers.[2]
introduction date January 4, 1974
initial cost $360 each

Like rival microprocessors like the [[Motorola 6800, the Intel 8080 used registers that were only eight bits wide.

[[Zilog later produced a object compatible replacement, the [[Zilog Z80|Z80, with some extended features.

The [[Altair (microcomputer)|Altair, [[Imsai and [[Tandy Radio Shack [[TRS80 microcomputer was built around the intel 8080.[3]

The 8080 is the lineal ancestor of intel's later designs, the [[intel 8088|8088, [[intel 8086|8086, [[intel 80186|186, [[intel 80286|286, [[intel 80386|386, [[intel 80486|486 and all of intel's Pentium processors.[2] The 8080 was the lineal descendant of the [[Intel 4004 and [[Intel 8008 microprocessors.[3]

Later integrated circuits intended for [[embedded computer applications, like the [[Intel 8052, incorporated the intel 8080 architecture, memory, and what had previously been various support chips on a single chip, allowing a "computer on a chip".[1] The 8052 was embedded in non-computer devices, like microwave ovens, and electronic fuel ignitions.

References

  1. 1.0 1.1 {{cite news | url=http://www.thocp.net/timeline/1974.htm | title=The Industrial Era: 1974 - 1975 | page= | pages= | publisher=[[History of Computing | author= | date= | accessdate=2008-04-15 | quote= }}
  2. 2.0 2.1 {{cite news | url=http://www.ami.ac.uk/courses/ami4655_micros/u01/micro01evol.asp | title=A Brief Summary of the first 20 years of Microprocessor Evolution (1971 -1993) | publisher=[[University of Bolton | accessdate=2008-03-01 | quote= }}
  3. 3.0 3.1 {{cite news | url=http://www.intel.com/museum/online/hist_micro/hof/index.htm | title=Microprocessor hall of fame | page= | pages= | publisher=[[Intel Museum | author= | date= | accessdate=2008-04-15 | quote= }}