型号 / 厂家，封装，批号，备注，订购

M87C257-20XF3TR / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档

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M87C257-45C7TR / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档

M87C257-45C7X / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档

M87C257-45F1 / ST Microelectronics,Datasheet,06/07+,UV-Erasable PROM (EP 订购 PDF文档

M87C257-45F1X / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档