| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | DM74LS283N | 4-Bit Binary Adder with Fast Carry | 65K |
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| 2 | DM74LS283N | 4-Bit Binary Adders with Fast Carry | 161K |
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| 3 | DM74LS283N/A+ | Binary Adder | 111K |
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| 4 | DM74LS283N/B+ | Binary Adder | 111K |
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