| 摘要 |
PURPOSE: A semiconductor device is provided to have improved noise features by comprising a low resistance layer under an interconnection. CONSTITUTION: An amplification terminal amplifies signals being input into a signal input pad(116). A low resistance layer(121) is formed under the signal input pad(116), and under an interconnection(115) which connects the signal input pad(116) and the amplification terminal. The low resistance layer(121) has equivalent potential as a semiconductor substrate(101) or a well. The low resistance layer(121) is made of silicide. The resistance of the substrate(101) can be reduced by making the low resistance layer(121) as ground potential. Therefore, thermal noises which are created by substrate resistance can be reduced. |
