型号 / 厂家，封装，批号，备注，订购

74HC623P / ,,,原装现货 订购 PDF文档

74HC6323A / Philips Semiconductors,Datasheet,07+,Programmable ripple 订购 PDF文档

74HC6323AD / PHIL,SMD,05+,特价 订购 PDF文档

74HC639 / ,,,原装现货 订购 PDF文档

74HC640 / TOS,SOT-89,05+,全新原装，深圳/香港现货 订购 PDF文档

74HC640/5.2 / TI,,04+,原装/现货 订购 PDF文档

74HC640B1 / ,,,原装现货 订购 PDF文档

74HC640D,652 / ,,,原装现货 订购 PDF文档

74HC640D,653 / ,,,原装现货 订购 PDF文档

74HC640D/7.2 / PHI,,02+,原装/现货 订购 PDF文档