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贴片直插MC74HC390N，MC74HC175F，MC74HC08AN，MC74HC14AD，4
原装74AS157 74ALS04B 74HC4040 MC74HC175F
原装SN74LVTT240PW MC74HC74ADT MC74HC20F MC74HC175F
原74AS157 74ALS04B 74HC4040 MC74HC175F
MC74HC175J MC54HC175J CD54HC175F 陶瓷封装进口CDIP16直插脚
原装MC74HC4040F 74AS175 74AS27 74LC74
原SN75453BP MC74HC175AN ATT17128F TA7555P
贴片直插MC74HC02ADR MC74HC00ANG MC74F175MEL MC74F374DWR 5
贴片直插MC74HC74AD，MC74HC4060，MC74HC175N，MC74HC390F，4
