| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MC74ACT161D | SYNCHRONOUS PRESETTABLE BINARY COUNTER | 316K |
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| 2 | MC74ACT161D | Synchronous Presettable Binary Counter | 196K |
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| 3 | MC74ACT161DR2 | Synchronous Presettable Binary Counter | 196K |
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