| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | MC74ACT640DW | OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS | 179K |   |   | 
| 2 | MC74ACT640DW | OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS | 195K |   |   | 
| 3 | MC74ACT640DW | Octal 3−State Inverting Transciever | 91K |   |   | 
| 4 | MC74ACT640DWG | Octal 3−State Inverting Transciever | 91K |   |   | 
| 5 | MC74ACT640DWR2 | Octal 3−State Inverting Transciever | 91K |   |   | 
| 6 | MC74ACT640DWR2G | Octal 3−State Inverting Transciever | 91K |   |   |