| General information |
| Type | Floating Point Unit (Co-processor) |
| Family | Intel 80387 |
| FPU part number | A80387DX-25 is an OEM/tray floating-point unit |
| Frequency (MHz) ? | 25 |
| Package | 68-pin ceramic PGA
1.15" x 1.15" (2.92 cm x 2.92 cm) |
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| S-spec numbers |
| |
Production processors |
| Part number |
SX086 |
SX106 |
| A80387DX-25 | + | + |
|
| |
| Architecture / Microarchitecture |
| Manufacturing process | 1 micron high-speed CHMOS IV technology |
| |
| Electrical/Thermal parameters |
| V core (V) ? | 5 ± 5% |
| Minimum/Maximum operating temperature (°C) ? | 0 - 85 |
| Typical/Maximum power dissipation (W) | 0.63 / 1.1 |
| |
| Notes on Intel A80387DX-25 |
- Implements ANSI/IEEE standard 754-1985 for binary floating-point arithmetic
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