型号 / 厂家，封装，批号，备注，订购

M87C257-20F6 / ST Microelectronics,Datasheet,07+,UV-Erasable PROM (EP 订购 PDF文档

M87C257-20XC1 / ST Microelectronics,Datasheet,07+,One-Time Programmabl 订购 PDF文档

M87C257-20XC1X / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档

M87C257-20XC3 / ST Microelectronics,Datasheet,06/07+,One-Time Programmabl 订购 PDF文档

M87C257-20XC3TR / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档

M87C257-20XC3X / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档

M87C257-20XC6X / ST Microelectronics,Datasheet,07+,ADDRESS LATCHED 256K 订购 PDF文档

M87C257-20XC7 / ST Microelectronics,Datasheet,07+,One-Time Programmabl 订购 PDF文档

M87C257-20XC7X / ST Microelectronics,Datasheet,06/07+,ADDRESS LATCHED 256K 订购 PDF文档

M87C257-20XF3 / ST Microelectronics,Datasheet,07+,UV-Erasable PROM (EP 订购 PDF文档