Power supply bypass capacitor circuit for reducing power supply noise and semiconductor integrated circuit device having the capacitor circuit
AssigneeFujitsu Limited
InventorMutsuhiro Naitoh
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Abstract
A capacitor circuit has a first electrode, a second electrode, and a dielectric interposed between the first and second electrodes, and a plurality of first wiring lines, each functioning as the first electrode, and a plurality of second wiring lines, each functioning as the second electrode, are formed alternately one adjacent to the other within the same wiring layer. With this arrangement, the capacitance of the capacitor circuit can be made large without incurring an increase in the area it occupies.
Claims16
A capacitor circuit comprising a first electrode, a second electrode, and a dielectric interposed between said first and second electrodes, wherein,
- a plurality of first wiring lines, each function as said first electrode, and a plurality of second wiring lines, each functioning as said second electrode, are formed alternatively one adjacent to an other within the same wiring layer.
A semiconductor integrated circuit device having a first power supply line and a second power supply line, wherein:
- a plurality of said first power supply lines and a plurality of said second power supply lines are formed alternately one adjacent to an other within the same metal wiring layer to construct a capacitor circuit.
Dependencies are inferred from the claim text.