| 型号 | 厂家 | 封装 | 批号 |
| 74HCT27D | NXP | SOP14 | 22+ |
| 7202LA50JG | IDT | PLCC32 | 22+ |
| 74LVT245BDB | NXP | SSOP20 | 22+ |
| 74LVT240DB | NXP | SSOP20 | 22+ |
| 74279214 | WURTH | SMD | 22+ |
| 74LVX04MX | FAIRCHI | SOP14 | 22+ |
| 74VHCT244AMTCX | FAIRCHI | TSSOP20 | 22+ |
| 74VHCT14AMTCX | FAIRCHI | TSSOP14 | 22+ |
| 74HC4015D | NXP | SOP16 | 22+ |
| 74HC688AP | TOSHIBA | DIP20 | 22+ |
