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新710769028VB 12400010980 BU2507FV-E2 TC74VHC08FN Y
正品TC74VHC04FS TC74VHC245F TC74VCX04FT TC74VHC08FN
TC74VHC08FT. TC74VHC10 TC74VHC10F TC74VHC10FN原