贴片直插PIC12C508A-04I PI74FCT2821TPB PI74LPT16652AC 5

PI74FCT2821TSC PI74FCT2821TSB PI74FCT2821TPB PI74FCT280BTWX

贴插P28F001BXT-150-DM54S175J/883B-PI74FCT2821TPB-B