| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | CD74HC4002ME4 | High-Speed CMOS Logic Dual 4-Input NOR Gate | 352K |   |   | 
| 2 | CD74HC4002ME4 | High-Speed CMOS Logic Dual 4-Input NOR Gate | 500K |   |   | 
| 3 | CD74HC4002ME4 | High-Speed CMOS Logic Dual 4-Input NOR Gate | 345K |   |   |