Semiconductor & Computer Engineering
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MCS-80 - Intel
| Intel MCS-80 | |
| |
| 8080, the CPU of the MCS-80 system | |
| Developer | Intel |
| Manufacturer | Intel |
| Type | microprocessors |
| Production | 1974 |
| Release date | April, 1974 |
| Architecture | 8-bit word, 16-bit addressing |
| ISA | 8080 |
| Word size | 8 bit 1 octets
2 nibbles |
| Process | 6 μm 6,000 nm
0.006 mm |
| Technology | nMOS |
| Clock | 500 kHz-2.08 MHz |
| Package | DIP40 |
| Succession | |
| ← | → |
| MCS-8 | MCS-85 MCS-86 MCS-88 |
The MCS-80 (Micro Computer Set-80) was a family of 8-bit microprocessor chipsets developed by Intel. Introduced on April, 1974, the MCS-80 featured the 8080 CPU, the forefather of all modern x86-based microprocessors.
Contents
History
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Members
The original 8080 had an issue that prevented it from working with external TTL components as intended. This was fixed with the introduction of the "A" versions.
| Part | Frequency | Description |
|---|---|---|
| 8080 | 500 kHz - 2.08 MHz | MPU, Original, has compatibility issues with TTL |
| 8080A-1 | 500 kHz - 3.12 MHz | MPU |
| 8080A-2 | 500 kHz - 2.63 MHz | MPU |
| 8224 | clock generator & driver | |
| 8801 | clock generator crystal | |
| 8228 | system controller & bus driver | |
| 8238 | system controller & bus driver | |
| 8257 | Programmable DMA Controller | |
| 8259 | Programmable Interrupt Controller | |
| 8279 | Programmable Keyboard/Display Controller | |
| 8251A | Improved Programmable Communication Interface | |
| 8253 | Programmable Interval Timer | |
| 8255A | Improved Programmable Peripheral Interface |
Military Specs
The following are military specs versions.
| Part | Frequency | Description |
|---|---|---|
| M8080A | 500 kHz - 2.08 MHz | MPU |
| M8224 | clock generator & driver | |
| M8228 | system controller & bus driver | |
| M8238 | system controller & bus driver |
Memory
Additional memory components that was used with the MCS-80
| Part | Size | Description |
|---|---|---|
| 8708 | 1024x8 bit | EPROM |
| 2716 | 2048x8 bit | EPROM (pin compatible with 2316E ROM) |
| 8308 | 1024x8 bit | MOS ROM (pin compatible with 8708 PROM) |
| 8316A | 2048x8 bit | MOS RAM |
| 2316E | 2048x8 bit | ROM |
| 2114 | 1024x4 bit | SRAM |
| 2116 | 16384x1 bit | DRAM |
Design
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ISA
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Designers
Lead designers for the MCS-80 are:
- Federico Faggin
- Masatoshi Shima
- Stan Mazor
Documents
See Also
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Facts about "MCS-80 - Intel"
| designer | Intel +, Federico Faggin +, Masatoshi Shima + and Stan Mazor + |
| full page name | intel/mcs-80 + |
| instance of | microprocessor family + |
| instruction set architecture | 8080 + |
| main designer | Intel + |
| manufacturer | Intel + |
| name | Intel MCS-80 + |
| package | DIP40 + |
| process | 6,000 nm (6 μm, 0.006 mm) + |
| technology | nMOS + |
| word size | 8 bit (1 octets, 2 nibbles) + |