Portland State University. Department of Electrical Engineering
Malgorzata E. Chrzanowaska-Jeske
Date of Publication
Master of Science (M.S.) in Electrical and Computer Engineering
Computer input-output equipment -- Design and construction, Computer algorithms, Gate array circuits -- Design and construction, Semiconductors -- Design and construction
1 online resource (98 p.)
A new heuristic method to improve the I/O pad assignment for the sea-of-gates placement algorithm "PROUD" is proposed. In PROUD, the preplaced I/O pads are used as the boundary conditions in solving sparse linear equations to obtain the optimal module placement. Due to the total wire length determined by the module positions is the strong function of the preplaced I/O pad positions, the optimization of the I/O pad circular order and their assignment to the physical locations on the chip are attempted in the thesis. The proposed I/O pad assignment program is used as a predecessor of PROUD. The results have revealed excellent improvement.
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Her, Shyang-Kuen, "Improved I/O pad positions assignment algorithm for sea-of-gates placement" (1992). Dissertations and Theses. Paper 4316.