| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DN74LS28 | Quad 2-input NOR Gate | 47K |
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| 2 | DN74LS280 | Logic IC | 91K |
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| 3 | DN74LS280D | Logic IC | 91K |
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| 4 | DN74LS280S | Logic IC | 91K |
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| 5 | DN74LS280SD | Logic IC | 91K |
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| 6 | DN74LS283 | Binary Adder | 92K |
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| 7 | DN74LS283S | Binary Adder | 92K |
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| 8 | DN74LS28S | Quad 2-input NOR Gate | 47K |
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