| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74ACQ543SC | Quiet Series⑩ Octal Registered Transceiver with 3-STATE Outputs | 95K |
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| 2 | 74ACQ543SCQR | Single 8-bit Bus Transceiver | 596K |
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| 3 | 74ACQ543SCX | Single 8-bit Bus Transceiver | 95K |
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