| 型号 | 厂家 | 封装 | 批号 |
| PCF8574PWRG4 | TI | TSSOP-20 | 22+ |
| PTH12020LAH | TI | DIP | 22+ |
| PCA9557PWRG4 | TI原装 | TSSOP-16 | 22+ |
| PCA9575PW2 | TI | TSSOP28 | 22+ |
| PM25LV020-33SCE | PMC | SOP8 | 22+ |
| PTH08T210WAZT | TI | DIP-ECQ14 | 22+ |
| PTH08T231WAD | TI | DIP-ECL10 | 22+ |
| PJ1117CW-3.3 | PJ | SOT-223 | 22+ |
| P89C51RC2HFBD | PHILIPS | QFP44 | 22+ |
| PCMB104E-3R3MS | CYNTEC | SMD | 22+ |
