| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | DM7493AN | Decade and Binary Counters | 136K |
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| 2 | DM7493AN | Decade, and Binary Counters | 180K |
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| 3 | DM7493AN/A+ | Asynchronous Up Counter | 244K |
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| 4 | DM7493AN/B+ | Asynchronous Up Counter | 244K |
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