| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | CY7C277-50WC | 32K x 8 Reprogrammable Registered PROM | 441K |
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| 2 | CY7C277-50WC | 32K x 8 Reprogrammable Registered PROM | 441K |
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| 3 | CY7C277-50WC | 32K x 8 Reprogrammable Registered PROM | 430K |
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| 4 | CY7C277-50WC | 32K x 8 Reprogrammable Registered PROM | 430K |
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