| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | PI74LCX543 | Logic | Non-Inverting Octal Latched Transceiver | 176K |   |   | 
| 2 | PI74LCX543H | Single 8-bit Bus Transceiver | 193K |   |   | 
| 3 | PI74LCX543L | Single 8-bit Bus Transceiver | 193K |   |   | 
| 4 | PI74LCX543Q | Single 8-bit Bus Transceiver | 193K |   |   | 
| 5 | PI74LCX543S | Single 8-bit Bus Transceiver | 193K |   |   |