| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | MC74AC244DTR2 | Octal Buffer/Line Driver with 3-State Outputs | 93K |   |   | 
| 2 | MC74AC244DTR2 | Octal Buffer/Line Driver with 3−State Outputs | 120K |   |   | 
| 3 | MC74AC244DTR2G | Octal Buffer/Line Driver with 3−State Outputs | 120K |   |   |