| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | CY7C197BN | 256 Kb (256K x 1) Static RAM | 524K |
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| 2 | CY7C197BN-12VC | 256 Kb (256K x 1) Static RAM | 524K |
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| 3 | CY7C197BN-15VC | 256 Kb (256K x 1) Static RAM | 524K |
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| 4 | CY7C197BN-25PC | 256 Kb (256K x 1) Static RAM | 524K |
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