Patent ID: 6642811
Filing Date: 2003-11-04
Classification: H03H

Abstract:
An integrated circuit package comprising:a first power supply terminal for receiving power for said package and an integrated circuit coupled to the package; said integrated circuit being coupled to said integrated circuit package and having a second power supply terminal; said integrated circuit package capable of being mounted to a printed circuit board; a substrate; said integrated circuit being mounted on said substrate; a T-type filter for blocking noise from said first power supply terminal from entering said integrated circuit, and for reducing ground bounce at an integrated circuit ground terminal; said filter having a filter input terminal for receiving said power and a filter output terminal, wherein the filter input terminal is connected to the first power supply terminal, the filter output terminal is connected to the second power supply terminal, the filter includes filter components, and the filter components are mounted to the substrate; said filter including a first device, a second device, and a capacitor; said first device having a first terminal and a second terminal, said second device having a first terminal and a second terminal, said capacitor having a first terminal and a ground terminal; said first terminal of said first device being coupled to said first power supply terminal of said package, wherein said first terminal of said first device is said filter input terminal; said second terminal of said first device being coupled to said first terminal of said capacitor and said first terminal of said second device; said second terminal of said second device being coupled to said second power supply terminal of said integrated circuit, wherein said second terminal of said second device is said filter output terminal; and said integrated circuit having said integrated circuit ground terminal, said ground terminal of said capacitor being a filter ground terminal, the integrated circuit package having a package ground terminal, and the integrated circuit ground terminal, the filter ground terminal, and the package ground terminal being connected together.