| 型号 | 厂家 | 封装 | 批号 |
| STC89C53RC-40I | STC | PDIPQFP | 17+ |
| STC89C54RD+40I | STC | PDIPQFP | 17+ |
| STC89C55RD+40C-PLCC | STC | PLCC-44 | 17+ |
| STC89C58RD+40C | STC | PLCCQFP | 17+ |
| STC89LE516AD-90-C-PI | STC | PDIP-40 | 17+ |
| STC89LE516RD+40C | STC | PDIPQFP | 17+ |
| STC89LE516X2-90-C-PQJ | STC | PQFP-44 | 17+ |
| STC89LE52RC-40C | STC | PDIPQFP | 17+ |
| STC89LE53RC-40C | STC | PDIPQFP | 17+ |
| STC89LE54AD-90-C-NJ | STC | PLCC-44 | 17+ |
