型号 / 厂家，封装，批号，备注，订购

M54978 / RAMTRON,DIP,,原装现货 订购 PDF文档

M54978P / ,,,原装现货 订购 PDF文档

M54983 / PHILIPS,DIP,,原装现货 订购 PDF文档

M54987FP / ,,,原装现货 订购 PDF文档

M54992 / PS,DIP,,原装现货 订购 PDF文档

M54992FP / RICOH,SSOP,,原装现货 订购 PDF文档

M54994 / n/a,,全新,010-62106431 订购 PDF文档

M54995P / CHIPS,DIP,,全新原装，深圳/香港现货 订购 PDF文档

M54AD / 国半,SMD,98+,优势现货库存 订购 PDF文档

M54C901J/883C / N/A,DIP/SOP,06+,全新原装现货 订购 PDF文档