| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | MC74HC393ADT | Dual 4-Stage Binary Ripple Counter | 246K |   |   | 
| 2 | MC74HC393ADT | Dual 4-Stage Binary Ripple Counter | 246K |   |   | 
| 3 | MC74HC393ADT | Dual 4-Stage Binary Ripple Counter | 192K |   |   | 
| 4 | MC74HC393ADTR2 | Dual 4-Stage Binary Ripple Counter | 192K |   |   | 
| 5 | MC74HC393ADTR2 | Dual 4−Stage Binary Ripple Counter High−Performance Silicon−Gate CMOS | 185K |   |   | 
| 6 | MC74HC393ADTR2G | Dual 4−Stage Binary Ripple Counter High−Performance Silicon−Gate CMOS | 185K |   |   |