【Fairchild Semiconductor】74F189PC,IC RAM 64BIT 27NS 16DIP
【Fairchild Semiconductor】74F189SC,IC RAM 64BIT 27NS 16SOIC
【Fairchild Semiconductor】74F189SCX,RAM其它 64-Bit Ran Acces Mem
【Fairchild Semiconductor】74F189SJ,RAM其它 64-Bit Ran Acces Mem
【Fairchild Semiconductor】74F189SJX,RAM其它
【Fairchild Semiconductor】74F190PC,计数器 IC Up/Down Decade Ctr
【Fairchild Semiconductor】74F190SC,计数器 IC Up/Down Decade Ctr
【Fairchild Semiconductor】74F190SCX,计数器 IC Up/Down Decade Ctr
