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Topic: MOS Technologies 6501


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  MOS Technologies 6501
The 6501 is an eight-bit microprocessor, the first sold by MOS Technologies.
The 6501 is pin-compatible with the Motorola 6800 and is the first member of the 650x series of microprocessors.
The 6502 is a 6501 with the pins re-arranged following a lawsuit by Motorola over the 6501's pin arrangement.
www.ebroadcast.com.au /lookup/encyclopedia/mo/MOS_Technologies_6501.html   (67 words)

  
 MOS Technologies   (Site not responding. Last check: )
MOS Technologies, also known as Commodore Semiconductor Group, was a microprocessor and calculator company famous for its 6502 processor.
Although the 6501 was not compatible with the 6800, it could nevertheless be plugged into existing motherboard designs because it used the same arrangement of pins.
MOS Technologies 6501 - CPU pin-compatible with Motorola 6800
www.serebella.com /encyclopedia/article-MOS_Technologies.html   (2427 words)

  
 Commodore.ca | TEXT ONLY VERSION | MOS / CSG / Commodore Semiconductor Group
MOS developed and manufactured the 6500 line of processors which were used in nearly all of the non-Amiga Commodore machines and floppy drives.
Although the 6501 was not compatible with the 6800, it could nevertheless be plugged into existing motherboard designs because it used the same arrangement of pins.
Sales of the 6501 basically stopped, and the lawsuit would drag on for many years before MOS was eventually forced to pay a paltry $200,000 in fines...
www.commodore.ca /text/mos.htm   (1616 words)

  
 HITACHI GLOBAL : News Release : 3-dimensional structure SRAM cell prototype
This technology is expected to become a fundamental structure for processes beyond the 45nm generation, and contribute to overcoming the barriers to higher integration in SRAM.
A columnar poly-silicon MOS transistor stacked on the silicon substrate was developed.
Technology achieving a cell leakage current of 88.7 fA/cell, a level equivalent to conventional SRAM cells, by optimizing the voltage applied on the memory cell during standby to control leak current.
www.hitachi.com /New/cnews/040617a.html   (588 words)

  
 MOS Technology
MOS Technology, Inc., also known as Commodore Semiconductor Group, was a microprocessor and calculator company famous for its 6502 processor.
MOS was a small firm with good credentials in the right area, the East coast of the USA.
MOS also released a series of similar CPUs using external clocks, which added a "1" to the name in the 3rd digit, as the 6512 through 6515.
www.computernostalgia.net /articles/MOSTechnology.htm   (1406 words)

  
 MOS Technologies 6502
When it was introduced it was the least expensive full featured CPU on the market by far, at about 1/6th the price, or less, of competing designs from larger companies such as Motorola and Intel.
After quitting Motorola en-masse, they quickly designed their 6501, a completely new design that was nevertheless pin-compatible with the 6800.
Motorola immediately sued, although today the case would have been dismissed out of hand, and the damage to MOS was enough for them to agree to stop producing the 6501.
www.teachersparadise.com /ency/en/wikipedia/m/mo/mos_technologies_6502.html   (1110 words)

  
 6501
The 6501 is an eight-bit microprocessor, the first sold by MOS Technologies.
The 6501 is pin-compatible with the Motorola 6800 and is the first member of the 650x series of microprocessors.
The 6502 is a 6501 with the pins re-arranged following a lawsuit by Motorola over the 6501's pin arrangement.
www.websters-online-dictionary.org /definition/english/65/6501.html   (190 words)

  
 MOS Technologies Beschreibung in Library - Definition und Buch-Tipp.
Sollte eine Definition von MOS Technologies fehlen, kann diese von Ihnen verfaßt werden.
Eine Übersicht der Artikel, die mit dem Thema MOS Technologies verwandt sind finden Sie auf der Seite alle Artikel über MOS Technologies.
ßte der 6501 wieder vom Markt genommen werden.
mos_technologies.know-library.net   (758 words)

  
 Kids.Net.Au - Encyclopedia > KIM-1
MOS's earlier 6501 could be plugged into existing motherboards that used the Motorola 6800, allowing potential users to get a development system up and running very easily using existing hardware.
Otherwise identical to the 6501, it nevertheless had the disadvantage of having no machine in which new users could quickly start playing with the CPU.
Not long after the KIM's introduction, MOS Technologies was purchased by Commodore International and production of the original KIM ended.
www.kids.net.au /encyclopedia-wiki/ki/KIM-1?title=Rockwell_International   (704 words)

  
 [No title]   (Site not responding. Last check: )
The MOS Technologies 6502 processor was one of the most popular CPUs of the late 1970's and early 1980's.
MOS Technologies was started by a group of engineers from Motorola who had designed the 6800 processor.
Their original, completely new design was the 6501, which prompted Motorola to sue because its pin layout was compatible with the 6800.
instruct1.cit.cornell.edu /courses/ee476/FinalProjects/s2003/jpp13/website/introduction.html   (374 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: )
MOS Technology 6501 – CPU pin-compatible with Motorola 6800
MOS Technology 6508 – CPU with 256 B RAM and 8 I/O pins
MOS Technology 8568 – VDC with composite HSYNC, VSYNC, and RDY interrupt
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=MOS_Technology   (1918 words)

  
 [No title]
A core group of 8 designers left Motorola and went to MOS Technologies, which was the largest producer of calculator chips at the time.
A $091) The older brother to the 6502 was the 6501.
The 6501 was pin-compatible with the 6800, which prompted a suit by Motorola.
www.zimmers.net /anonftp/pub/cbm/faq/trivia/cbm-trivia-10.txt   (1162 words)

  
 MOS Technologies 6501 - MOS Technologies 6501
The 6507 is an 8-bit microprocessor from MOS Technology, Inc. It is a "cut down" version of their popular 6502.
Most other machines, notably home computers based on the 650x architecture, MOS Technologies 6501 used the "full" 6502.in order to allow for more memory.
By the time the 6502 line was becoming widely used around 1980, ROM and RAM semiconductor memory prices had fallen to the point where the 6507 was no longer a worthwhile simplification.
www.infotechloco.com /Inf-Computer-Topics-L---M/MOS-Technologies-6501.html   (210 words)

  
 cpu-collection.de >> MOS
MOS Technologies was a microprocessor and calculator company famous for its 6502.
As the calculator market grew MOS eventually became largely beholden to Commodore, who bought practically all of their supply for their line of calculators.
The resulting 6501 was simpler than the 6800 but up to four times faster.
www.cpu-collection.de /index.php?tn=1&l0=co&l1=MOS   (270 words)

  
 MOS Technology 6510 - Wikipedia, the free encyclopedia   (Site not responding. Last check: )
The MOS Technology 6510 is a microprocessor designed by MOS Technology, Inc., and is a direct successor of the very successful 6502.
In both the C64 and SX-64 the extra pins of the processor were used for bank switching, and in the C64 also for controlling the electric motor of the Datassette tape recorder.
MOS 6510 (and 7501, 8500, 8501) ● MOS 8502 MOS 65CE02 ● WDC 65802 ● WDC 65816 ● Ricoh 5A22 ● Nintendo SA-1
www.selfobjects.com /mediawiki/index.php/MOS_Technology_6510   (426 words)

  
 The Beginning
MOS was founded in 1974 by 8 former employees of Motorola.
MOS and Motorola settled this disagreement and the 6501 was dropped.
There are KIM-1's with MOS on the motherboard but the later had the Commodore and the MOS name on the motherboard.
www.xs4all.nl /~lagendr/Pagina/INFO-TheBeginning-GB.htm   (1637 words)

  
 OSNews.com
Mos Technologies did consist of a number of former Motorolla employees, and the first processor (the 6501, not the 6500) was pin compatible as you said, but they were prevented from selling it because Motorola sued.
MOS never released the 6500 becuase it was virtually 100% clone of 6800- the 6501 had some changes in it which they thought were sufficent to market- they erred- and motorola sued them.
MOS was a late comer in the game- Intel, who invented the first microprocess (4004), was followed quickly by Motorola and HP and Rockwell were also selling cheap mass-produced TTL LSI stuff before MOS was formed.
www.osnews.com /comment.php?news_id=2979&offset=75&rows=90&threshold=-1   (4053 words)

  
 6501 from FOLDOC
An eight-bit microprocessor, the first sold by MOS Technologies.
The 6501 pin-compatible with the Motorola 6800 and was the first member of the 650x series.
Nearby terms: 610 « 6309 « 64-bit « 6501 » 6502 »; 650x » 6510
foldoc.org /?6501   (41 words)

  
 MOS Technologies 6502 : 6502
When it was introduced it was the least expensive "full" CPU on the market by far, about 1/6th or less of competing designs from larger companies such as Motorola and Intel.
After quitting Motorola en-mass, they quickly designed their 6501, a completely new design that was nevertheless pin-compatible with the 6800.
Motorola immediately sued, although today the case would have been dismissed out of hand, and the damage to MOS was enough for them to agree to stop producing the 6501.
www.fastload.org /65/6502.html   (999 words)

  
 MOS_Technology   (Site not responding. Last check: )
As the calculator market grew MOS eventually became largely beholden to Commodore Business Machines, who bought practically all of their supply for their line of calculators.
Image of the innards of a Commodore 64 showing some important MOS Technology circuits: the 6510 CPU (long chip, lower left) and the 6581 SID (right).
In 1995, the company, operating under the name GMT Microelectronics (Great Mixed-signal Technologies), reopened MOS Technologies' original, circa-1970 one-micrometre fab in Norristown, Pennsylvania that Commodore had closed in 1992.
en.filepoint.de /info/MOS_Technology   (1718 words)

  
 MOS Technology at AllExperts
Image of the innards of a Commodore 64 showing some important MOS Technology circuits: the 6510 CPU (long chip, lower left) and the 6581 SID (right).
The 6502 was so cheap, that many people believed it was a scam when MOS first showed it at a 1975 trade show.
In 1995, the company, operating under the name GMT Microelectronics (Great Mixed-signal Technologies), reopened MOS Technologies' original, circa-1970 one-micrometre fab in Norristown, Pennsylvania that Commodore had closed in 1992.
en.allexperts.com /e/m/mo/mos_technology.htm   (1867 words)

  
 MOS Technologies   (Site not responding. Last check: )
MOS Technologies introduced the 650x series, based on the Motorola 6800 design, though they were not exact clones for legal reasons.
The 6510 was used in the Commodore 64, released September 1981 and MOS made almost all the ICs for Commodore's pocket calculators.
By the time the it was ready for production (and Commodore had cancelled all orders) MOS had been taken over by Rockwell (Commodore's parent company).
www.cacs.louisiana.edu /~mgr/404/burks/foldoc/69/75.htm   (231 words)

  
 Great moments in microprocessor history
They quickly developed the MOS 6501, a completely new design that was nevertheless pin-compatible with the 6800.
The MOS 6502 was released in September 1975, and it sold for US$25 per unit.
MOS 6502 processors are still being manufactured today for use in embedded systems.
www-106.ibm.com /developerworks/library/pa-microhist.html?ca=dgr-lnxw01MicroHistory   (6009 words)

  
 6502   (Site not responding. Last check: )
An eight-bit microprocessor designed by MOS Technologies around 1975 and made by Rockwell.
After quitting Motorola en-masse, they quickly designed their 6501, a completely new design that was nevertheless pin-compatible with the 6800.
Motorola immediately sued, although today the case would have been dismissed out of hand, and the damage to MOS was enough for them to agree to stop producing the 6501.
www.websters-online-dictionary.com /65/6502.html   (1575 words)

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