| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | NMC6551J | 1024-Bit (256 x 4) Static RAM | 225K |
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| 2 | NMC6551J-2 | 1024-Bit (256 x 4) Static RAM | 225K |
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| 3 | NMC6551J-5 | 1024-Bit (256 x 4) Static RAM | 225K |
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| 4 | NMC6551J-5/A+ | x4 Synchronous SRAM | 207K |
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