| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | DM74LS471J | (256 X 8) 2048-BIT TTL PROM | 131K |
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| 2 | DM74LS471J | (256 X 8) 2048-BIT TTL PROM | 131K |
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| 3 | DM74LS471J/A+ | x8 PROM | 110K |
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| 4 | DM74LS471J/B+ | x8 PROM | 110K |
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