80386 – Intel
The 80386, also i386 and 386, (pronounced eighty-three-eighty-six) was a family of 32-bit 3rd-generation x86 microprocessors introduced by Intel in 1985 as a successor to 80286. These processors provided were fully backward compatible with previous generations of x86 processors but introduced a number of major new features including enhancements to protected mode and virtual 8086 mode. The changes brought about by 386 became the standard for all future 32-bit x86 processors, dubbed i386-architecture.
Specifications:
| Intel 386EX-25 PQFP (Engraved Marking, Lead Process) | |
| Manufacturer | Intel |
| Model | 386 |
| Architecture | x86 |
| Core frequency | 25 MHz |
| Targeted market | Embedded devices |
| Package | PQFP-132 |
| Physical informations | |
| Package Size | 2,75×2,75 cm |
| Electrical information | |
| Bus frequency | 25 MHz |
| Core/Bus ratio | 1.0x |
| Width | 32 bits |
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