| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | CD4029BCN | Presettable Binary/Decade Up/Down Counter | 96K |
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| 2 | CD4029BCN | Presettable Binary/Decade Up/Down Counter | 168K |
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| 3 | CD4029BCN/A+ | Synchronous Up/Down Counter | 200K |
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| 4 | CD4029BCN/B+ | Synchronous Up/Down Counter | 200K |
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