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贴片直插TC74LCX86FN/TC74LCX14FN/TC74LCX05FT/TC74LCX08FK/4
丝印TC74LVQ08FN TC74LVQ00FN TC74LS221FP TC74LCX86FT TC74LCX8
贴片直插TC74LCX02FN/TC74HC86AFN/TC74HC367AP/TC74HC85AFN/4