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正品CD54HC40103F CD54HC40102F CD54HC393F3A CD54HC390F3A
正品CD54HC393J CD54HC393F CD54HC390F CD54HC386F CD54HC377F
CD54HCT193F3A/5962-9084801MEA - MC74HC390N - UPB8287C - 原装
贴片直插CD74HC541E CD74HC390E CD54HC595F CD74HC139E 6
JM38510/65802BEA SNJ54S258J CD54HCT390F3A SNJ54HC148J