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74LS××系列 ：
SN74LS00N,SN74LS02N,SN74LS03N,SN74LS04N,SN74LS05N,SN74LS06N,SN74LS07N,SN74LS08,
SN74LS10N,SN74LS107N,SN74LS11N,SN74LS112N,SN 74LS121N,SN74LS123N,7SN4LS125N,
SN74LS126N,74LS132,74LS138,74LS14,74LS145,74LS148,74LS150,74LS151,
74LS153,74LS154,74LS155,74LS161,74LS163,74LS164,74LS165,74LS166,74LS173,74LS174,74LS175,
74LS192,74LS194,74LS20,74LS21,74LS22,74LS221,74LS238,74LS240,74LS244,74LS245,74LS251,
74LS257,74LS259,74LS27,74LS273,74LS279,74LS283,74LS30,74LS32,74LS367,74LS373,74LS374,
74LS375,74LS377,74LS38,74LS393,74LS42,74LS47,74LS54,74LS540,74LS574,74LS688,74LS73,74LS74
74LS85,74LS86,74LS92
现货LC4128V-75TN100C