74HC148功能表怎么来 输入 A2 A1 A0 EO GS I7 0 0 0 1 0 I6 0 0 1 1 0 I5 0 1 0 1 0 I4 0 1 1 1 0 I3 1 0 0 1 0 I2 1 0 1 1 0 I1 1 1 0 1 0 I0 1 1 1 1 0 I7-I0 X X X 0 1 I7-I0 X X X...
