TC74VHC02FT= TC74VHC02FTEL TC74VHC02FT-EL TC74VHC02FT-ELK(M) TC74VHC02FTELM TC74VHC02F-TP2 TC74VHC02PT TC74VHC03F TC74VHC03F(EL,K,F) TC74VHC03F(ELKF)