TC74VHC245FT(EL,M),IC BUS TRANSCVR 8BIT 20TSSOP
TC74VHC245FTELKM,总线收发器 Transceiver
TC74VHC245FTELM,IC TXRX NON-INVERT 5.5V 20TSSOP
TC74VHC245FW,IC BUS TRANSCVR 8BIT 20SOL
TC74VHC245FW(ELP),IC BUS TRANSCVR 8BIT 20SOL
TC74VHC257F(F),
TC74VHC257FT,
TC74VHC257FTEL,编码器、解码器、复用器和解复用器 Quad 2-Ch Multi 3-State 3.6ns 5V