| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MC74F40 | DUAL 4-INPUT NAND BUFFER | 28K |
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| 2 | MC74F40D | DUAL 4-INPUT NAND BUFFER | 42K |
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| 3 | MC74F40D | DUAL 4-INPUT NAND BUFFER | 28K |
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| 4 | MC74F40J | DUAL 4-INPUT NAND BUFFER | 42K |
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| 5 | MC74F40J | DUAL 4-INPUT NAND BUFFER | 28K |
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| 6 | MC74F40N | DUAL 4-INPUT NAND BUFFER | 42K |
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| 7 | MC74F40N | DUAL 4-INPUT NAND BUFFER | 28K |
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