| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74F161ASC | Synchronous Presettable Binary Counter | 73K |
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| 2 | 74F161ASC | Synchronous Presettable Binary Counter | 202K |
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| 3 | 74F161ASC | Synchronous Presettable Binary Counter | 183K |
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| 4 | 74F161ASCQR | Synchronous Up Counter | 264K |
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| 5 | 74F161ASCX | Synchronous Up Counter | 96K |
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| 6 | 74F161ASCX | Synchronous Presettable Binary Counter | 99K |
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