| 型号 | 厂家 | 封装 | 批号 |
| 74VHC573MX | Fairchi | 20-SOIC | 22+ |
| 74VHC573M | Fairchi | 20-SOIC | 22+ |
| 74VHC574SJX | Fairchi | 20-SOIC | 22+ |
| 74VHC541D118 | Nexperi | 20-SOIC | 22+ |
| 74VHC541D-Q100J | Nexperi | 20-SOIC | 22+ |
| 74VHC541M | Fairchi | 20-SOIC | 22+ |
| 74VHC541SJX | Fairchi | 20-SOIC | 22+ |
| 74VHC541MX | Fairchi | 20-SOIC | 22+ |
| 74AHC244D112 | Nexperi | 20-SOIC | 22+ |
| 74AHC244D-Q100118 | Nexperi | 20-SOIC | 22+ |
