型号 / 厂家，封装，批号，备注，订购

74hc4020mx / fsc,,dc99,全新原装，深圳/香港现货 订购 PDF文档

74HC4020N / WINBOND,TO92,05+,全新原装，现货 订购 PDF文档

74HC4020NS / ,,,原装现货 订购 PDF文档

74HC4020NSR / TI,,06+,全新原装库房现货 订购 PDF文档

74HC4020PW / PHI,,07+,010-66001623 订购 PDF文档

74HC4020PW,118 / PHILIPS,,,010-62106431 订购 PDF文档

74HC4020-新 / ,,,010-66001623/66001621 订购 PDF文档

74HC4022 / ,,02+,原装现货 订购 PDF文档

74HC4024AP / TOSHIBA,04+,05+,全新原装,特价 订购 PDF文档

74HC4024B1 / sgs,,04+,全新原装现货 订购 PDF文档