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9th International Symposium on Quality Electronic Design (isqed 2008)
Minimum Shield Insertion on Full-Chip RLC Crosstalk Budgeting Routing
March 17-March 19
ISBN: 978-0-7695-3117-5
This work presents a full-chip RLC crosstalk budgeting routing flow to generate a high-quality routing design under stringent crosstalk constraints. Based on the cost function addressing the sensitive nets in visited global cells for each net, global routing can lower routing congestion as well as coupling effect. Crosstalk-driven track routing minimizes capacitive coupling effects, and decreases inductive coupling effects by avoiding placing sensitive nets on adjacent tracks. To achieve inductive crosstalk budgeting optimization, the shield insertion problem can be solved with a minimum column covering algorithm, which is undertaken following track routing to process nets with an excess of inductive crosstalk. The proposed routing flow method can identify the required number of shields more accurately, and process more complex routing problems, than the linear programming (LP) methods. Results of this study demonstrate that the proposed approach can effectively and quickly lower inductive crosstalk by up to one-third.
Index Terms:
Shield insertion, global routing, track routing, crosstalk optimization
Citation:
Peng-Yang Hung, Ying-Shu Lou, Yih-Lang Li, "Minimum Shield Insertion on Full-Chip RLC Crosstalk Budgeting Routing," isqed, pp.514-519, 9th International Symposium on Quality Electronic Design (isqed 2008), 2008
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