TC74VHC540FT,
TC74VHC540FT(EL,M),IC INVERTER 8-INPUT 20TSSOP
TC74VHC540FTELM,IC BUFFER INVERT 5.5V 20TSSOP
TC74VHC540FW,IC INVERTER 8-INPUT 20SOL
TC74VHC540FW(ELP),IC INVERTER 8INPUT 20SOL
TC74VHC541F,缓冲器和线路驱动器 Lo-Volt Buffer
TC74VHC541F(EL,K,F,IC BUFFER NON-INVERT 5.5V 20SOP
TC74VHC541F(F),