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米国ドル換算によるマイクロプロセッサー市場の売上高シェア1977,1981,1890,1995
(Market shares in microprocessors percent of sales in US dollars) |
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| Firms | 8bit | 16bit | 32bit | 32/64bit |
| (1977) | (1981) | (1990) | (1995) | |
| Intel | 65% | 70% | 60% | 77% |
| Motorola | N/A | 20% | 21% | 5% |
| AMD | – | – | 1% | 7% |
| Cyrix/IBM | – | – | – | 5% |
| Other | – | 10% | 18% | 6% |
| [出典] | Gruber, H. (2000) “The evolution of market structure in semiconductors: the role of product standards,” Research Policy,29, p.735 | |||
| ［原出所］ | ICE | |||
Market shares of generations in microprocessors and microcontrollers in 1987 and 1996 percent of sales value in US dollars. |
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米国ドル換算によるマイクロプロセッサーおよびマイクロコントローラー市場の売上高シェア
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| 1987 | 1996 | |||
| Microprocessors | Microcontrollers | Microprocessors | Microcontrollers | |
| 4-bit | 0 | 28 | 0 | 15 |
| 8-bit | 31 | 67 | 1 | 61 |
| 16-bit | 44 | 5 | 2 | 24 |
| 32-bit | 25 | 97 | ||
| Total | 100 | 100 | 100 | 100 |
| Microprocessors 1996の32bitの中には64-bit microprocessorsにも含まれている。 | ||||
| [出典]Gruber, H. (2000) “The evolution of market structure in semiconductors: the role of product standards,” Research Policy,29, p.737 | ||||
| ［原出所］ICE | ||||