| 摘要 |
A semiconductor chip has a circuit block, a power supply line and a ground line. A condenser chip in which a noise reduction condenser connected to the circuit block is stacked on the semiconductor chip. Because the condenser chip is stacked on the semiconductor chip, it is not necessary to provide a noise reduction condenser on the semiconductor chip and also not to provide a noise reduction condenser on a substrate on which the semiconductor chip is mounted.
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