| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | DM74LS109AM | Dual Positive-Edge-Triggered J-K Flip-Flop with Preset, Clear, and Complementary Outputs | 53K |
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| 2 | DM74LS109AM | Dual Positive-Edge-Triggered J-K Flip-Flops with Preset, Clear, and Complementary Outputs | 138K |
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| 3 | DM74LS109AMX | J-K-Type Flip-Flop | 53K |
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