TC74VHC4040F
TC74VHC4040FK
TC74VHC4040FN(F,M)
TC74VHC4040FT
TC74VHC4040FT(EK2M
TC74VHC4040FT(EL,M)
TC74VHC4040FT.
TC74VHC4040FT-EL
TC74VHC540FTELM
TC74VHC541F
0755-8281200482811605