| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 54HC74 | Dual D-Type Flip-Flop with Set and Reset | 160K |
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| 2 | 54HC74 | Dual D-Type Flip-Flop with Set and Reset | 160K |
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| 3 | 54HC74/BCAJC | Dual D-Type Flip-Flop | 244K |
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| 4 | 54HC74M/B2AJC | Dual D-Type Flip-Flop | 244K |
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