Cyrix - FPU for 386SX
| Name: | Cyrix FasMath CX-83S87-16-JP |
| Family: | x86 |
| Freqence: | 16 Mhz |
| Bus: | 16 Mhz |
| Made: | 49, 1991 |
| Package: | 68 pin PLCC |
| Name: | Cyrix FasMath CX-83S87-20-JP |
| Family: | x86 |
| Freqence: | 20 Mhz |
| Bus: | 20 Mhz |
| Made: | 5, 1990 |
| Package: | 68 pin PLCC |
| Name: | Cyrix FasMath CX-83S87-25-JP |
| Family: | x86 |
| Freqence: | 25 Mhz |
| Bus: | 25 Mhz |
| Made: | 43, 1991 |
| Package: | 68 pin PLCC |