| 型号 | 厂家 | 封装 | 批号 |
| PT2222M-001 | PTC | SOP24 | 22+ |
| PCF8574ADGVR | TI | TSSOP20 | 22+ |
| PCF8574ATD | PHILIPS | sop | 22+ |
| PCF8598C-2P/02 | PHILIPS | DIP8 | 22+ |
| PCF87757HN/2 | PHILIPS | QFN | 22+ |
| PCF8802AUG/AB | NXP | BGA | 22+ |
| P28F020-90 | INTEL | DIP32 | 22+ |
| P28F512-200 | INTEL | DIP32 | 22+ |
| P28F001BX-T150 | INTEL | DIP32 | 22+ |
| P28F256A-150 | INTEL | DIP32 | 22+ |
