| 型号 | 厂家 | 封装 | 批号 |
| PRC200270K/221K | CMD | SOP20 | 22+ |
| PI3L500-AZFE | PERICOM | QFN | 22+ |
| PW1225A | PIXELWOR | QFP | 22+ |
| PW1233 | PIXELWOR | QFP | 22+ |
| PW1235L | PIXELWOR | QFP | 22+ |
| P87C54SBAA | NXP | PLCC | 22+ |
| P87C51 | NXP | DIP | 22+ |
| P87C51RC+4B | NXP | QFP | 22+ |
| P87C52X2BBD | NXP | QFP | 22+ |
| P87C51RD2BA | NXP | PLCC | 22+ |
