Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2006-03-14
2006-03-14
Garbowski, Leigh M. (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C257S532000, C716S030000
Reexamination Certificate
active
07013436
ABSTRACT:
A power distribution circuit built with wiring layers that reside above an analog circuit is described. The power distribution circuit comprises one or more capacitive structures that reside above the analog circuit. At least one of the one or more capacitive structures has electrodes that provide supply and/or reference voltages and their corresponding currents to said analog circuit. A machine readable medium is described to perform a method in order to design the power distribution circuit. The method includes: assigning a specific supply or reference voltage to each of the electrodes; and, determining wiring dimensions for each of the electrodes. The wiring dimensions for the electrodes of at least one of the capacitive structures is are based at least in part on IR drop concerns.
REFERENCES:
patent: 6480989 (2002-11-01), Chan et al.
patent: 6732335 (2004-05-01), Takabayashi et al.
patent: 2003/0167452 (2003-09-01), Sekido
Roberto Aparichio, “Capacity Limits and Matching Properties Of Integrated Capacitors” IEEE Journal of Solid-State Circuits, vol. 37, No. 3, Mar. 2002, pp. 384-393.
Bui Dan
Mohan Sunderarajan
Morton Paul B.
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