| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | N74F244D | Octal buffers 3-State | 96K |
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| 2 | N74F244DB | Octal buffers 3-State | 96K |
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| 3 | N74F244DB-T | Dual 4-Bit Non-Inverting Buffer/Driver | 177K |
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| 4 | N74F244D-T | Dual 4-Bit Non-Inverting Buffer/Driver | 177K |
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