TC74LCX540F(F),
TC74LCX540FK,缓冲器和线路驱动器 Lo-Volt Octal BUS Non-Inverted
TC74LCX540FK(EL,K),IC BUFFER INVERT 3.6V 20VSSOP
TC74LCX540FT,
TC74LCX540FT(EL),IC INVERTER 8-INPUT 20TSSOP
TC74LCX540FT(EL,M),IC INVERTER 8-INPUT 20TSSOP
TC74LCX540FT(ELK,M,缓冲器和线路驱动器 Lo-Volt Buffer Inverted
TC74LCX540FW,IC INVERTER 8-INPUT 20SOL
