Signetics identification
2650 (old naming convention) | 2650 (new naming convention) | 3002 | 68000 | 8031 and 8051 | 80c31 and 80c51 microcontrollers
2650 (old naming convention) identification
| 1 | 2 | |
| 2650A | N | |
| |
| 2. Package type |
| I | Side-brazed ceramic DIP |
| N | Plastic DIP |
| |
| | 1. Part number |
| 2650 | 2650 processor |
| 2650A | 2650 processor |
2650 (new naming convention) identification
| | 1 | 2 | 3 | 4 | 5 | |
| SCN | 2650A | C | 1 | N | 40 | |
| |
| 5. Pin count |
| 40 | 40 pin package |
| |
| | 4. Package type |
| I | Ceramic DIP |
| N | Plastic DIP |
| |
| | 3. Frequency |
| |
| | | | 2. Temperature range |
| A | Industrial range |
| C | Commercial range |
| |
| | | | | 1. Part number |
| 2650A | 2650 microprocessor |
3002 identification
| | 1 | 2 | |
| N | 3002 | N | |
| |
| 2. Package type |
| I | Side-brazed ceramic DIP |
| N | Plastic DIP |
| |
| | 1. Part number |
| 3001 | Microprogram control unit |
| 3002 | Central processing element |
68000 identification
| | 1 | 2 | 3 | 4 | 5 | 6 | |
| SC | N | 68000 | C | A | N | 64 | |
| |
| 6. Pin count |
| 64 | 64 pin package |
| 68 | 68 pin package |
| |
| | 5. Package type |
| A | Plastic LCC |
| F | Ceramic DIP |
| I | Side-brazed ceramic DIP |
| N | Plastic DIP |
| P | Ceramic PGA |
| |
| | | 4. Frequency |
| 8 | 8 MHz |
| A | 10 MHz |
| B | 12.5 MHz |
| |
| | | | 3. Temperature range |
| A | Automotive range -40 - +85°C |
| C | Commercial range 0 - +70°C |
| M | Military range -55 -+125°C |
| P | Philips range -20 - +70°C |
| |
| | | | | 2. Part number |
| 68000 | 68000 CPU |
| 68010 | 68010 CPU |
| |
| | | | | | 1. Manufacturing technology |
| B | Bi-polar |
| C | CMOS |
| N | N-channel |
8031 and 8051 identification
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| SCN | 8031A | H | C | C | N | 40 | CPxxxx | |
| |
| 7. Custom ROM pattern (8051 and 8052 microcontrollers only) |
| |
| | 6. Pin count |
| 40 | 40 pin package |
| 44 | 44 pin package |
| |
| | | 5. Package type |
| A | Plastic LCC |
| I | Ceramic DIP |
| N | Plastic DIP |
| |
| | | | 4. Frequency |
| C | 12 MHz |
| |
| | | | | 3. Temperature range |
| A | Industrial range -40 - +85°C |
| C | Commercial range 0 - +70°C |
| |
| | | | | | 2. Power consumption |
| H | Reduced power consumption |
| |
| | | | | | | 1. Part number |
| 8031A | 8031 microcontroller with 128 bytes RAM and without ROM |
| 8032A | 8032 microcontroller with 256 bytes RAM and without ROM |
| 8051A | 8051 microcontroller with 128 bytes RAM and mask-programmed 4 KB ROM |
| 8052A | 8052 microcontroller with 256 bytes RAM and mask-programmed 8 KB ROM |
80c31 and 80c51 microcontrollers identification
| | 1 | 2 | 3 | 4 | 5 | 6 | |
| SC | 80C31 | C | C | N | 40 | CPxxxx | |
| |
| 6. Custom ROM pattern (80C51 microcontroller only) |
| |
| | 5. Pin count |
| 40 | 40 pin package |
| 44 | 44 pin package |
| |
| | | 4. Package type |
| A | Plastic LCC |
| I | Ceramic DIP |
| N | Plastic DIP |
| |
| | | | 3. Frequency |
| 0 | 3.5 - 12 MHz |
| 1 | 3.5 - 16 MHz |
| 2 | 0.5 - 12 MHz |
| |
| | | | | 2. Temperature range |
| A | Industrial range -40 - +85°C |
| C | Commercial range 0 - +70°C |
| |
| | | | | | 1. Part number |
| 80C31B | 8031 CMOS microcontroller with 128 bytes RAM and without ROM |
| 80C51B | 8051 CMOS microcontroller with 128 bytes RAM and mask-programmed 4 KB ROM |