IIT - FPU for 386DX
| Name: | IIT 3C87-25 |
| Family: | x86 |
| Freqence: | 25 Mhz |
| Bus: | 25 Mhz |
| Made: | 47, 1990 |
| Package: | 68 pin CPGA |
| Name: | IIT 3C87-33 |
| Family: | x86 |
| Freqence: | 33 Mhz |
| Bus: | 33 Mhz |
| Made: | 11, 1992 |
| Package: | 68 pin CPGA |
| Name: | IIT 3C87-33 |
| Family: | x86 |
| Freqence: | 33 Mhz |
| Bus: | 33 Mhz |
| Made: | 36, 1992 |
| Package: | 68 pin MPGA |
| Comment: | metal PGA version |
| Name: | IIT 3C87-40 |
| Family: | x86 |
| Freqence: | 40 Mhz |
| Bus: | 40 Mhz |
| Made: | 3, 1992 |
| Package: | 68 pin CPGA |
| Name: | IIT 3C87-40 |
| Family: | x86 |
| Freqence: | 40 Mhz |
| Bus: | 40 Mhz |
| Made: | 23, 1994 |
| Package: | 68 pin MPGA |
| Comment: | metal PGA version |