| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | HD74BC620A | Octal Bus Transceivers With 3 State Outputs | 44K |
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| 2 | HD74BC620AFP | Bus Transceiver | 66K |
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| 3 | HD74BC620AP | Bus Transceiver | 66K |
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| 4 | HD74BC620ARP | Bus Transceiver | 66K |
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| 5 | HD74BC620AT | Bus Transceiver | 66K |
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