IC快速检索：
型号 / 厂家，封装，批号，备注，订购
54LS175W / NS,DIP,06+,主打，特价010-82563191 订购 PDF文档
54LS175W/883 / NSC,原厂原装,08+07+,7到10天国际现货 订购 PDF文档
54LS181FM / Various,Datasheet,07+,4-Bit Arithmetic Log 订购 PDF文档
54LS181FMQB / National Semiconductor,Datasheet,07+,4-Bit ARITHMETIC LOG 订购 PDF文档
54LS182DM / Fairchild Semiconductor,Datasheet,07+,Look-Ahead Carry Gen 订购 PDF文档
54LS184 / ,,最新批号,现货库存 订购 PDF文档
54LS189 / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 订购 PDF文档
54LS189FM / Fairchild Semiconductor,Datasheet,07+,64-BIT RANDOM ACCESS 订购 PDF文档