全新78P234CP78P156NP78P156NM

新74S174DC 78P234CP 74S253DC SN72741J SSM2017G R

贴片直插7FUSA2M6，79R791QC，78M15CDT，78P234CP，8029HL04，6

贴片直插75C23243，78F9177Y，78P234CP，7920EK-L，81C55FP2

贴片直插X9241YSIT3，X78P234-CP，X28HC64J12，X2C4QLJ-E9，4