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Fairchild identification
3850 | 680x
3850 identification
| 1 | 2 | 3 | |
| 3850 | D | C | |
| |
| 3. Temperature range |
| C | Commercial-Industrial 0 - 70°C (MOS) or -40 - 85°C (CMOS) |
| L | Limited military -55 - 85°C (MOS) |
| M | Military -55 - 125°C |
| |
| | 2. Package type |
| D | Ceramic DIP |
| F | Flatpack |
| P | Plastic DIP |
| |
| | | 1. Part number |
| 3850 | 3850 ALU with RAM and I/O ports |
680x identification
| | 1 | 2 | 3 | 4 | |
| F68 | A | 00 | C | S | |
| |
| 4. Package type |
| P | Plastic DIP |
| S | Ceramic DIP |
| |
| | 3. Temperature range |
| Blank | Commercial 0 - 70°C |
| C | Industrial -40 - +85°C |
| |
| | | 2. Part number |
| 00 | 6800 CPU |
| 01 | Improved 6800 Microcontroller with RAM, ROM and peripherals |
| 02 | Microcontroller with clock and RAM (32 bytes of standby RAM) |
| 82 | Microcontroller with clock and RAM (8 bytes of standby RAM) |
| 03 | Improved 6800 microcontroller with RAM and peripherals |
| 08 | Microcontroller with clock |
| 09 | Greatly enhanced version of 6800 processor with on-chip clock oscillator |
| 09E | Greatly enhanced version of 6800 processor with external clock oscillator |
| |
| | | | 1. Frequency |
| Blank | 1 MHz |
| A | 1.5 MHz |
| B | 2 MHz |
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