| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MC74F139 | DUAL 1-OF-4 DECODER FAST SHOTTKY TTL | 74K |
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| 2 | MC74F139 | DUAL 1-OF-4 DECODER FAST SHOTTKY TTL | 74K |
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| 3 | MC74F139D | DUAL 1-OF-4 DECODER FAST SHOTTKY TTL | 74K |
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| 4 | MC74F139J | 2-To-4-Line Demultiplexer | 88K |
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| 5 | MC74F139JD | 2-To-4-Line Demultiplexer | 88K |
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| 6 | MC74F139JDS | 2-To-4-Line Demultiplexer | 88K |
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| 7 | MC74F139N | DUAL 1-OF-4 DECODER FAST SHOTTKY TTL | 74K |
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| 8 | MC74F139NDS | 2-To-4-Line Demultiplexer | 88K |
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