| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | PI74LCX646 | Fast CMOS 3.3V 8-Bit Registered Transceiver | 70K |
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| 2 | PI74LCX646H | Single 8-bit Bus Transceiver | 207K |
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| 3 | PI74LCX646L | Single 8-bit Bus Transceiver | 207K |
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| 4 | PI74LCX646Q | Single 8-bit Bus Transceiver | 207K |
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| 5 | PI74LCX646S | Single 8-bit Bus Transceiver | 207K |
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