| 型号 | 厂家 | 封装 | 批号 |
| MAX544ACPA+ | Maxim | 8-DIP | 22+ |
| MCH12140DR2G | ON | SOP8 | 22+ |
| MCH12140DG | ON | SOP8 | 22+ |
| MC88920EGR2 | IDT | 20-SOIC | 22+ |
| MAX239EWG+ | Maxim | 24-SOIC | 22+ |
| MAX239ENG+ | Maxim | 24-DIP | 22+ |
| MAX239CWG+T | Maxim | 24-SOIC | 22+ |
| MAX239CWG+ | Maxim | 24-SOIC | 22+ |
| MAX239CNG+ | Maxim | 24-DIP | 22+ |
| MCP6547T-I/SN | Microch | SOP8 | 22+ |
