【Fairchild Semiconductor】74F583SCX,逻辑加法器与减法器 4-Bit BCD Adder
74F588PC,GPIB COMPATIBLE OCTAL TRANSCEIV
【Fairchild Semiconductor】74F620PC,IC BUS TRANSCVR 3ST 8BIT 20DIP
【Fairchild Semiconductor】74F623PC,IC BUS TRANSCVR 3ST 8BIT 20DIP
【Fairchild Semiconductor】74F623SC,总线收发器 Inv Oct Bus Trans
【Fairchild Semiconductor】74F623SCX,总线收发器 Inv Oct Bus Trans
【Fairchild Semiconductor】74F640PC,总线收发器 Octal Bus Trans
【Fairchild Semiconductor】74F640SC,总线收发器 Octal Bus Trans
