| 型号 | 生产厂家/品牌 | 封装 | 库存 | 规格 |
| SN74LS244N | MOT | DIP20 | 100PCS |  |
| SN74LS244N | TI | DIP20 | 100PCS | |
| SN74LS373N | MOT | DIP20 | 100PCS | |
| SN74LS373N | HIT | DIP20 | 100PCS | |
| SN74LS374N | TI | DIP20 | 296PCS | |
| SN74LS374N | MOT | DIP20 | 234PCS | |
| SN74LS448N | TI | DIP20 | 100PCS | |
| SN74LS541N | TI | DIP20 | 100PCS | |
| SN74LS638N | TI | DIP20 | 100PCS | |
| SN74LS639N | TI | DIP20 | 100PCS | |
| SN74LS640-1N | TI | DIP20 | 100PCS | |
| SN74LS641-1N | TI | DIP20 | 100PCS | |
| SN74LS641N | TI | DIP20 | 100PCS | |
| SN74LS670N | TI | DIP20 | 100PCS | |
| SN74LS683N | TI | DIP20 | 100PCS | |
