| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | TC74AC139FN | DUAL 2 - TO - 4 LINE DECODER | 284K |
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| 2 | TC74AC139FN | CMOS Digital Integrated Circuit Silicon Monolithic Dual 2-to-4 Line Decoder | 277K |
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| 3 | TC74AC139FN | DUAL 2 - TO - 4 LINE DECODER | 284K |
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