| 型号 | 厂家 | 封装 | 批号 |
| PCF8574RGTR | TI | VQFN-16 | 22+ |
| PCF8575CDGVR | TI | TVSOP-24 | 22+ |
| PCF8575DWR | TI | SOIC-24 | 22+ |
| PTH12040WAZ | TI | DIPMODULE-20 | 22+ |
| PCM1773RGA | TI | VQFNP-20 | 22+ |
| PCF8574PWR | TI | TSSOP-20 | 22+ |
| PCA9544AZQNR | TI | JRBGA-20 | 22+ |
| PCA9544ADGVR | TI | TVSOP-20 | 22+ |
| PE4141-52/TR | Peregrine | MSOP | 22+ |
| PE4151MLAA-Z | Peregrine | MSOP | 22+ |
