TC74VHC20FT
TC74VHC20FT-ELK
TC74VHC20FTELM
TC74VHC21FTELM
TC74VHC221AFT
TC74VHC221AFT(EK2M
TC74VHC221AFTTSSO
TC74VHC238FT
TC74VHC238FT(EL)
TC74VHC238FT(EL,M)