| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | I74F50728D | Synchronizing cascaded dual positive edge-triggered D-type flip-flop | 91K |
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| 2 | I74F50728DB | Dual D-Type Flip-Flop | 532K |
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| 3 | I74F50728D-T | Dual D-Type Flip-Flop | 532K |
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