| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | PI74FCT646T | Logic | Octal Bidirectional Transceiver | 83K |
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| 2 | PI74FCT646T | Fast CMOS Octal Registered Transceivers | 86K |
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| 3 | PI74FCT646TP | Single 8-bit Bus Transceiver | 241K |
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| 4 | PI74FCT646TQ | Single 8-bit Bus Transceiver | 241K |
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| 5 | PI74FCT646TR | Single 8-bit Bus Transceiver | 241K |
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| 6 | PI74FCT646TS | Single 8-bit Bus Transceiver | 241K |
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