| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 54AC646SD | Octal Transceiver/Register with TRI-STATE Outputs | 197K |
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| 2 | 54AC646SDM | Logic IC | 588K |
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| 3 | 54AC646SDMQB | Single 8-bit Bus Transceiver | 191K |
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| 4 | 54AC646SDMQR | Single 8-bit Bus Transceiver | 191K |
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