NONLINEAR PROGRAMMING APPLICATION FOR INTEGRATED CIRCUIT DESIGN.
CALIFORNIA UNIV LOS ANGELES DEPT OF ENGINEERING
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The non-linear programming technique which was designed by the author, is based on the Created Response Surface Technique CRST although the response surfaces are created outside of the solution region. The problem is treated in two different ways, utilizing linear and non-linear constraints but with the same non-linear criterion function which represents propagation delay. The constraint equations and the criterion function are derived from the characteristics of monolithic components applied to the basic design considerations of a two-stage DTL NAND-logic circuit fabricated from a single silicon ship. Programs have been prepared which apply the modified CRST method to the problem. Exploitation of these programs demonstrate the feasibility of the optimization scheme in circuit design. The non-linear constraint program yielded a 4 improvement in propagation delay over the linear case. Considering the difficulties inherent in conventional trial-and-error circuit design methods, the relative ease of applying the optimization scheme advocated here, and the results obtained by this method, it is concluded that the technique has definite value in integrated circuit design problems. Author
- Electrical and Electronic Equipment
- Operations Research