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| Industry | Semiconductor design and manufacturing |
|---|---|
| Predecessor | Allen-Bradley |
| Founded | 1969 |
| Defunct | 2001 |
| Successor | Commodore Semiconductor Group Western Design Center |
| Headquarters | , United States |
MOS Technology, Inc. ("MOS" being short for Metal Oxide Semiconductor), later known as CSG (Commodore Semiconductor Group) and GMT Microelectronics, was a semiconductor design and fabrication company based in Audubon, Pennsylvania. It is most famous for its 6502 microprocessor and various designs for Commodore International's range of home computers.