
| 型号 | 厂家 | 封装 | 批号 |
| 74HC574D | 恩智浦 | NXP | SOP20 | 22+ |
| 74HC540N | 恩智浦 | NXP | DIP20 | 22+ |
| 74HCT273D | 恩智浦 | NXP | SOP20 | 22+ |
| 74HCT245D | 恩智浦 | NXP | SOP20 | 22+ |
| 74HCT132D | 恩智浦 | NXP | SOP14 | 22+ |
| 74HCT574D | 恩智浦 | NXP | SOP20 | 22+ |
| 74HCT4538N | 恩智浦 | NXP | DIP | 22+ |
| 74HCT42D | 恩智浦 | NXP | SOP16 | 22+ |
| 74LVC257AD | 恩智浦 | NXP | SOP16 | 22+ |
| 74HC32D | 恩智浦 | NXP | SOP14 | 22+ |