型号 / 厂家，封装，批号，备注，订购

DS1231S-20 白字 / ,SOP-16L,,原装010-62106431 订购 PDF文档

DS1231S-20/T / DALLAS,,,010-62106431 订购 PDF文档

DS1231S-20/T/R / Dallas,DIP/SOP,06+,全新原装现货 订购 PDF文档

DS1231S-20N / HOLTEK,N/A,03+,全新原装，现货 订购 PDF文档

DS1231LP / HP,N/A,03+,全新原装，现货 订购 PDF文档

DS1231LPS-2 / ,,,原装现货 订购 PDF文档

DS1231N / ,,00+,010-62106431 订购 PDF文档

DS1231N-35 / ,,07+,原装现货库存 订购 PDF文档

DS1231S / ,,,全新原装 订购 PDF文档

DS1231S-2 / Dallas/MAX,DIP/SOP,06+,全新原装现货 订购 PDF文档