L = X'YZ + XY'Z + XYZ' + XYZ
= (X' + X)YZ + XY'Z + XYZ'
= YZ + XY'Z + XYZ'
= Y(Z + XZ') + XY'Z
= YZ + XY + XY'Z
= YZ + X(Y + Y'Z)
= YZ + XY + XZ
这是三人表决器,L 输出高电平(1) 代表多数同意.
L = X'YZ + XY'Z + XYZ' + XYZ
= (X' + X)YZ + XY'Z + XYZ'
= YZ + XY'Z + XYZ'
= Y(Z + XZ') + XY'Z
= YZ + XY + XY'Z
= YZ + X(Y + Y'Z)
= YZ + XY + XZ
这是三人表决器,L 输出高电平(1) 代表多数同意.