DocumentCode :
1651193
Title :
Template-Based Parasitic-Aware Optimization and Retargeting of Analog and RF Integrated Circuit Layouts
Author :
Jangkrajarng, Nuttorn ; Zhang, Lihong ; Bhattacharya, Sambuddha ; Kohagen, Nathan ; Shi, C. J Richard
Author_Institution :
Washington Univ., Seattle, WA
fYear :
2006
Firstpage :
342
Lastpage :
348
Abstract :
Parasitic effects are extremely significant for the performance of analog and RF integrated circuits. Although layout retargeting for technology migration or specification update is able to preserve designers´ intent, the associated layout parasitics cannot be guaranteed to meet the performance requirements. In this paper, we present a novel algorithm that performs parasitic-aware automatic layout retargeting for analog/RF integrated circuits. Given parasitic resistance/capacitance bounds and matching constraints ensuring desired circuit performance, the algorithm creates a reduced-template-graph from original layouts and adds parasitic constraints. Using a two-dimensional hybrid scheme of graph-based optimization and nonlinear programming, the nonlinear problem is solved effectively and efficiently. The algorithm has successfully retargeted operational amplifiers and an RF low-noise amplifier within minutes of CPU time
Keywords :
analogue integrated circuits; graph theory; integrated circuit layout; nonlinear programming; RF integrated circuit layouts; analog integrated circuit layouts; graph-based optimization; layout retargeting; nonlinear programming; technology migration; technology specification; template-based parasitic-aware optimization; Analog integrated circuits; Circuit optimization; Integrated circuit layout; Integrated circuit technology; Low-noise amplifiers; Operational amplifiers; Parasitic capacitance; Radio frequency; Radiofrequency amplifiers; Radiofrequency integrated circuits; Analog/RF Integrated Circuits; Design Reuse; Layout Automation; Layout Symmetry; Parasitics;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Computer-Aided Design, 2006. ICCAD '06. IEEE/ACM International Conference on
Conference_Location :
San Jose, CA
ISSN :
1092-3152
Print_ISBN :
1-59593-389-1
Electronic_ISBN :
1092-3152
Type :
conf
DOI :
10.1109/ICCAD.2006.320056
Filename :
4110196
Link To Document :
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