| 87C51 | Microcontroller |
| 87C51FA | Microcontroller |
| 87C51FB | Microcontroller |
| 87C51RA+ | Microcontroller |
| 87C51RB+ | Microcontroller |
| 87C51RC+ | Microcontroller |
| 87C51RD+ | Microcontroller |
| 87C54 | Microcontroller |
| 87C58 | Microcontroller |
| SAA2502 | Microcontroller |
| SC26C92 | Microcontroller |
| SC28L91 | Microcontroller |
| SC28L92 | Microcontroller |
| SCC2692 | Microcontroller |