型号：DM74ALS257M
厂商：FAIRCHILD[Fairchild Semiconductor]
大小：74.37 Kbytes
页数：共7页
功能：3-STATE Quad 1-of-2-Line Data Selector/Multiplexer
型号：DM74ALS257MX
厂商：ON Semiconductor
大小：68.26 Kbytes
功能：IC DATA SELECTOR/MUX QUAD 16SOIC
