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序号 型号 描述 大小 厂家Logo 下载
1 MM74C89 64-Bit 3-STATE Random Access Read/Write Memory 62K FAIRCHILD 4442558
2 MM74C89 64-Bit TRI-STATE Random Access Read/Write Memory 133K NSC 4442557
3 MM74C89J 64-Bit TRI-STATE Random Access Read/Write Memory 133K NSC 4442556
4 MM74C89N 64-Bit 3-STATE Random Access Read/Write Memory 62K FAIRCHILD 4442555
5 MM74C89N 64-Bit TRI-STATE Random Access Read/Write Memory 133K NSC 4442554