| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | PI74FCT540T | Logic | Inverting Octal Buffer/Line Driver | 136K |   |   | 
| 2 | PI74FCT540T | Fast CMOS Octal Buffer/Line Drivers | 138K |   |   | 
| 3 | PI74FCT540TH | 8-Bit Inverting Buffer/Driver | 239K |   |   | 
| 4 | PI74FCT540TL | 8-Bit Inverting Buffer/Driver | 239K |   |   | 
| 5 | PI74FCT540TP | 8-Bit Inverting Buffer/Driver | 239K |   |   | 
| 6 | PI74FCT540TQ | 8-Bit Inverting Buffer/Driver | 239K |   |   | 
| 7 | PI74FCT540TR | 8-Bit Inverting Buffer/Driver | 239K |   |   | 
| 8 | PI74FCT540TS | 8-Bit Inverting Buffer/Driver | 239K |   |   |