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{{intel title|MCS-4}} | {{intel title|MCS-4}} | ||
{{ic family | {{ic family | ||
− | | title | + | | title = MCS-4 |
− | | image | + | | image = MCS-4.jpg |
− | | caption | + | | caption = The entire MCS-4 chipset: [[/4001|4001]], [[/4002|4002]], [[/4003|4003]], and [[/4004|4004]]. |
− | | developer | + | | developer = [[Intel]] |
− | | manufacturer | + | | manufacturer = [[Intel]] |
− | + | | production = [[1971]]-[[1980]]s | |
− | | production | + | | release = November 15, 1971 |
− | + | | arch = [[4-bit architecture|4-bit]] | |
− | | release | + | | proc = [[10μm]] |
− | | arch | + | | clock = 740 [[kHz]] |
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}} | }} | ||
The '''MCS-4''' ('''Micro-Computer Set-4''') or '''4000 Series''' or '''Busicom Chip Set''' was a [[microprocessor family|family]] of [[4-bit architecture|4-bit]] microprocessor chipsets developed by [[Intel]]. The entire chipset was made of four individual chips, including the [[/4004|4004]] CPU which became the first commercial microprocessor. MCS-4 was completed by March 1971, entered production in June, and introduced into the market on November 15, 1971. | The '''MCS-4''' ('''Micro-Computer Set-4''') or '''4000 Series''' or '''Busicom Chip Set''' was a [[microprocessor family|family]] of [[4-bit architecture|4-bit]] microprocessor chipsets developed by [[Intel]]. The entire chipset was made of four individual chips, including the [[/4004|4004]] CPU which became the first commercial microprocessor. MCS-4 was completed by March 1971, entered production in June, and introduced into the market on November 15, 1971. | ||
== History == | == History == | ||
− | [[File:1971 Intel Advertisement.jpg|250px|thumbnail|right|An ad for the | + | [[File:1971 Intel Advertisement.jpg|250px|thumbnail|right|An ad for the 4004 in the Nov. 15, 1971 issue of [[Wikipedia:Electronic News|Electronic News]]]] |
− | Before Federico Faggin joined Intel in 1970, the development of the 4004 was | + | Before Federico Faggin joined Intel in 1970, the development of the 4004 was stall and dreadful. Federico developed several design innovations at Intel that made it possible to fit the microprocessor in one chip, including new methodology for random logic chip design using silicon gate technology<ref>Faggin. Il padre del chip intelligente, Angelo Gallippi, 2002, 88-7118-149-2</ref>. Faggin developed the 4004 testing tool, chip and logic design concurrently with the layout of all the chips of the entire MCS-4 system. |
At the time, Intel was only known for their memory chips. On 15 November 1971, they publicly announced the first commercial microprocessor in the 15th issue of [[Wikipedia:Electronic News|Electronic News]]. The prophetic ad read: ''"Announcing a new era in integrated electronics"''. The chip was designed by Federico Faggin, Ted Hoff and Masatoshi Shima; it received U.S. Patent [http://www.google.com/patents/US3821715 #3,821,715]. | At the time, Intel was only known for their memory chips. On 15 November 1971, they publicly announced the first commercial microprocessor in the 15th issue of [[Wikipedia:Electronic News|Electronic News]]. The prophetic ad read: ''"Announcing a new era in integrated electronics"''. The chip was designed by Federico Faggin, Ted Hoff and Masatoshi Shima; it received U.S. Patent [http://www.google.com/patents/US3821715 #3,821,715]. | ||
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== Components == | == Components == | ||
− | The MCS-4 can be minimally functioning with just the [[/4001|4001]] [[ROM]] and the [[/4004|4004]] [[CPU]], however its designed to be fully functioning with [[RAM]] and [[shift register]]. | + | The MCS-4 can be minimally functioning with just the [[/4001|4001]] [[ROM]] and the [[/4004|4004]] [[CPU]], however its designed to be fully functioning with [[RAM]] and [[shift register]].additionally two more chips, the [[/4008|4008]] and [[/4009|4009]] to expand the system to work with any of Intel's existing memory chip selections. |
{| class="wikitable" | {| class="wikitable" | ||
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| [[/4003|4003]] || [[shift register]] | | [[/4003|4003]] || [[shift register]] | ||
|- | |- | ||
− | | [[/4004|4004]] || [[ | + | | [[/4004|4004]] || [[CPU]] |
|- | |- | ||
| [[/4008|4008]] || Address latch | | [[/4008|4008]] || Address latch | ||
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{{empty section}} | {{empty section}} | ||
[[File:intel mcs-4.svg|800px]] | [[File:intel mcs-4.svg|800px]] | ||
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== Documents== | == Documents== | ||
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== References == | == References == | ||
{{reflist}} | {{reflist}} | ||
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{{stub}} | {{stub}} |
Facts about "MCS-4 - Intel"
designer | Intel +, Ted Hoff +, Federico Faggin +, Stan Mazor + and Masatoshi Shima + |
full page name | intel/mcs-4 + |
instance of | microprocessor family + |
main designer | Intel + |
manufacturer | Intel + |
name | Intel MCS-4 + |
package | DIP16 + |
process | 10,000 nm (10 μm, 0.01 mm) + |
technology | pMOS + |
word size | 4 bit (0.5 octets, 1 nibbles) + |