| 型号 | 厂家 | 封装 | 批号 |
| 74AHC126PW | TI | TSSOP16 | 22+ |
| 74AHCT00PW | NXP | TSSOP14 | 22+ |
| 74AHC541D | NXP | SOP7.2 | 22+ |
| 74VHC541AF | TOS | SOP5.2 | 22+ |
| 74VHCT541AM | FSC | SOP7.2MM | 22+ |
| 74HC273D | NXP | SOP20 | 22+ |
| 74LCX244M | ST | SOP7.2MM | 22+ |
| 74LVC08AS14-13 | DIODES（美台） | SO14 | 22+ |
| 74LS04N | SIG | DIP-14 | 22+ |
| 74FCT574M | HARRIS | SOP20 | 22+ |
