| 型号 | 厂家 | 封装 | 批号 |
| 74LV4052DB | NXP | SSOP | 22+ |
| 74LV74D | PHILIPS | SOP-14 | 22+ |
| 74F38SJX | FAIRCHILP | SOP-14 | 22+ |
| 74AC08SC | FAIRCHILD | SOP-14 | 22+ |
| 74ACT574P | TOSHIBA | DIP-20 | 22+ |
| 74LS240N | S | DIP | 22+ |
| 74ABT245CMTCX | FAIRCHILD | TSSOP20 | 22+ |
| 74LCX16373MEAX | FAIRCHILD | SSOP-48 | 22+ |
| 74LCX244WMX | FAI | SOP | 22+ |
| 75H2803 | IBM | QFP | 22+ |
