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全新SN74AHCT08DB SN74AHCT04PW SN74AHCT04NS SN74AHCT04DR
R1331NS10B KTC9015 2N6024 CME9939 SN74AHCT1G04DCKR
SN74AHCT04NS PDTC144EK DS3487N(MC3487P) ILQ621 TLE4275G
贴片直插SN74ALS157A/SN74ALS112A/SN74AHCT573/SN74ALS04NS/4