| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74LVC544AD | Octal D-type registered transceiver, inverting 3-State | 92K |
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| 2 | 74LVC544ADB | Octal D-type registered transceiver, inverting 3-State | 92K |
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| 3 | 74LVC544ADB-T | Single 8-Bit Inverting Bus Transceiver | 220K |
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| 4 | 74LVC544AD-T | Single 8-Bit Inverting Bus Transceiver | 220K |
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