型号：DM74LS253
厂商：FAIRCHILD[Fairchild Semiconductor]
大小：56.94 Kbytes
页数：共6页
功能：3-STATE Data Selector/Multiplexer
厂商：NSC[National Semiconductor]
大小：158.39 Kbytes
功能：TRI-STATE Data Selectors/Multiplexers
型号：DM74LS253M
型号：DM74LS253N
