| |
1 |
2 |
3 |
4 |
|
| P |
80C31 |
S |
B |
BB |
|
| |
|
| 4. Package type |
| AA |
|
Plastic LCC |
| BB |
|
Plastic QFP |
| PN |
|
Plastic DIP |
| |
| |
3. Temperature range |
| B |
|
Commercial range 0 - +70°C |
| F |
|
Extended range -40 - +85°C |
| |
| |
|
2. Frequency |
| S |
|
16 MHz |
| U |
|
33 MHz |
| |
| |
|
|
1. Part number |
| 80C31 |
|
80C51 microcontroller without ROM and with 128 bytes of RAM |
| 80C32 |
|
80C51 microcontroller without ROM and with 256 bytes of RAM |
| 80C51 |
|
80C51 microcontroller with 4 KB ROM and with 256 bytes of RAM |
| 80C52 |
|
80C51 microcontroller with 8 KB ROM and with 256 bytes of RAM |
| 87C51 |
|
87C51 microcontroller with 4 KB one-time programmable ROM and 128 bytes of RAM |
| 87C52 |
|
87C52 microcontroller with 8 KB one-time programmable ROM and 256 bytes of RAM |
| 87C54 |
|
87C54 microcontroller (16 KB one-time programmable ROM and with 256 bytes of RAM |
