| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MC74ACT244DTR2 | Octal Buffer/Line Driver with 3-State Outputs | 93K |
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| 2 | MC74ACT244DTR2 | Octal Buffer/Line Driver with 3−State Outputs | 120K |
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| 3 | MC74ACT244DTR2G | Octal Buffer/Line Driver with 3−State Outputs | 120K |
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