| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | UPD23C256E | 32,368 x 8-BIT MASK-PROGRAMMABLE CMOS ROM | 102K |
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| 2 | UPD23C256E-1 | 32,368 x 8-BIT MASK-PROGRAMMABLE CMOS ROM | 102K |
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| 3 | UPD23C256EC | x8 ROM (Mask Programmable) | 83K |
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| 4 | UPD23C256EC-1 | x8 ROM (Mask Programmable) | 83K |
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