| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | HEF4001BT | Quadruple 2-input NOR gate | 26K |
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| 2 | HEF4001BT | Quadruple 2-input NOR gate | 30K |
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| 3 | HEF4001BTD | Quad 2-input NOR Gate | 35K |
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| 4 | HEF4001BTD-T | Quad 2-input NOR Gate | 35K |
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