型號(hào) / 廠家，封裝，批號(hào)，備注，訂購(gòu)

54LS48FM / Various,Datasheet,07+,7-Segment Display Dr 訂購(gòu) PDF文檔

54LS490DMQB / National Semiconductor,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔

54LS490FM / Various,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔

54LS490FMQB / Various,Datasheet,07+,BCD-Output Decade Up 訂購(gòu) PDF文檔

54LS49J / ,,最新批號(hào),現(xiàn)貨庫(kù)存 訂購(gòu) PDF文檔

54LS50 / TI/NS,CDIP,05+,協(xié)順發(fā)科技.現(xiàn)貨庫(kù)存.質(zhì)量保證.價(jià)格優(yōu)勢(shì). 訂購(gòu) PDF文檔

54LS502 / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 訂購(gòu) PDF文檔

54LS502DM / Various,Datasheet,07+,Successive Approxima 訂購(gòu) PDF文檔

54LS502DMQB / National Semiconductor,Datasheet,07+,Successive Approxima 訂購(gòu) PDF文檔

54LS503 / National Semiconductor,Datasheet,07+, 訂購(gòu) PDF文檔