丝印TC74VHC21FSTC74VHC21FTTC74VHC221A¥30去看看能良科技发布了丝印TC74VHC238F TC74VHC221A TC74VHC21FT TC74VHC21FS TC74VHC2TC74VHC221ATCP0G226M8R1.00TE¥30去看看宇豪正品原装店发布了新TF16N3.15TE TF16N1.00TE TC74VHC221A TCP0G226M8R T贴片丝印TC74VHC221AFT原装¥1.40去看看专业半导体供应发布了TC74VHC221AFT 丝印字VHC221A TSSOP16薄密脚IC贴片芯片 全新原装