Generalized constraint generation in the presence of non-deterministic parasitics
Proceedings of the 1996 IEEE/ACM international conference on Computer-aided design
A video driver system designed using a top-down, constraint-driven methodology
Proceedings of the 1996 IEEE/ACM international conference on Computer-aided design
Constraints space management for the layout of analog IC's
Proceedings of the conference on Design, automation and test in Europe
Constraint Allocation in Analog System Synthesis
VLSID '98 Proceedings of the Eleventh International Conference on VLSI Design: VLSI for Signal Processing
Automation of IC layout with analog constraints
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Analog IC design automation. II. Automated circuit correction by qualitative reasoning
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Hierarchical constraint transformation using directed interval search for analog system synthesis
DATE '99 Proceedings of the conference on Design, automation and test in Europe
Behavioral synthesis of analog systems using two-layered design space exploration
Proceedings of the 36th annual ACM/IEEE Design Automation Conference
A two-layer library-based approach to synthesis of analog systems from VHDL-AMS specifications
ACM Transactions on Design Automation of Electronic Systems (TODAES)
Hierarchical constraint transformation based on genetic optimization for analog system synthesis
Integration, the VLSI Journal
Hierarchical constraint transformation based on genetic optimization for analog system synthesis
Integration, the VLSI Journal
Modeling and design of CMOS analog circuits through hierarchical abstraction
Integration, the VLSI Journal
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The problem of designing complex analog circuits is attacke dusing a hier archic altop-down, constr aint-driven design methodolo gy. In this methodolo gy, constraints are prop agate dautomatically from high-level specific ationsto physic aldesign through a sequence of gradual transformations. Constraint tr ansformation is a critic al step in the methodolo gy, sinc e it determines in lar ge p art the degree to which specific ations are met. In this pap er we describ e how constr ainttransformations can be efficiently carrie d out using hier ar chic al parameter modeling and constr aine d optimization techniques. The process supp orts c omplexhigh-level sp ecific ation handling and accounts for second-order effects, such as inter connect parasitics and mismatches. The suitability of the appr oachis demonstrate d through an 4th order active filter test case.