NTE74LS90,置换半导体 DECADE COUNTER DIP14
NTE74LS91,置换半导体 8-BIT SHFT REG DIP14
NTE74LS92,置换半导体 DIV BY 12 CNTR DIP14
NTE74LS93,置换半导体 4-BIT BIN CNTR DIP14
NTE74S00,置换半导体 QUAD 2-IN NAND GATE
NTE74S02,置换半导体 QUAD 2-IN NOR GATE
NTE74S03,置换半导体 QUAD 2-IN NAND GATE
NTE74S08,置换半导体 QUAD 2-IN AND GATE
