Semiconductor & Computer Engineering
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Difference between revisions of "fairchild/f8"
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Latest revision as of 16:18, 12 December 2016
| Fairchild F8 | |
| |
| The F3850 CPU component | |
| Developer | Fairchild |
| Manufacturer | Fairchild |
| Type | microprocessors, microcontrollers |
| Introduction | 1973 (announced) 1975 (launch) |
| Production | 1974 |
| ISA | F8 |
| Word size | 8 bit 1 octets
2 nibbles |
| Process | 8 μm 8,000 nm
0.008 mm |
| Technology | nMOS |
| Clock | 1 MHz-4 MHz |
| Package | DIP40, DIP42 |
The Fairchild F8 was a family of multi-chip 8-bit microprocessors developed by Fairchild in 1974. Later, single-chip MCUs version of the system were also made.
Members[edit]
| Part | Description |
|---|---|
| 3850 | CPU |
| 3851 | ROM |
| 3852 | Dynamic Memory Interface |
| 3853 | Static Memory Interface |
| 3854 | Direct Memory Access |
MCU[edit]
Fairchild later also produced a single-chip version of the F8 in 1977.
| Part | I/O Lines | Regs | RAM | ROM | Description |
|---|---|---|---|---|---|
| 3870 | 32 | 64 B | 64 B | 4 kB | |
| 3872-1 | 32 | 64 B | 64 B | 1 kB | |
| 3872-2 | 32 | 64 B | 64 B | 2 kB | |
| 3872-3 | 32 | 64 B | 64 B | 3 kB | |
| 3872-4 | 32 | 64 B | 64 B | 4 kB | |
| 38L72 | 32 | 64 B | 64 B | 1-4 kB | Low-power version of 3872 |
Architecture[edit]
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Facts about "F8 - Fairchild"
| designer | Fairchild + |
| first announced | 1973 + |
| first launched | 1975 + |
| full page name | fairchild/f8 + |
| instance of | microprocessor family + and microcontroller family + |
| instruction set architecture | F8 + |
| main designer | Fairchild + |
| manufacturer | Fairchild + |
| name | Fairchild F8 + |
| package | DIP40 + and DIP42 + |
| process | 8,000 nm (8 μm, 0.008 mm) + |
| technology | nMOS + |
| word size | 8 bit (1 octets, 2 nibbles) + |