8086 | |  |
 Launch year:
1978
Socket:
DIP40
Speed:
4-10MHz
Architecture:
8/16-bit x86
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The 8086 family of microprocessors was the basis for x86 instuction sets. They all used optional 8087 FPUs. The letter before the model number specifies housing material and spec. D indicates ceramic housing, P is plastic, I is industrial grade,
M is military grade (even bigger temp range than I), and C supports CMOS.
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Intel Models
| Model | Frequency (MHz) | FPU | Notes |
| 8086 | 5 | 8087 | |
| 8086-1 | 10 | 8087-1 | |
| 8086-2 | 8 | 8087-2 | |
| 8086-4 | 4 | 8087 | |
Not-yet-documented clones produced by: AMD (5/8/10MHz), NEC, Sony, Fujitsu, Siemens, Soviet government
Reference information
The 8086 Family User's Manual (Intel)
Add-on/other chipset chips
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