TC74VHC273FTEL TC74VHC273FT-EL TC74VHC273FT-ELK(M) TC74VHC273FTP2 TC74VHC273F-TP2 TC74VHC273FW TC74VHC273FW(ELP) TC74VHC27F TC74VHC27F(EL) TC74VHC27F(EL,K,F)