Fully automated layout generators for high-performance analog VLSI modules

Algorithms and a software implementation of a fully automated analog layout generation program are described. Device matching, area compaction, and parasitic/noise minimization are the key concerns in the analog layout generation. A new method to incorporate integrated-circuit reliability simulation results into the performance-driven optimization step is also presented. Experimental results on operational amplifiers, voltage comparators, and voltage-controlled oscillators show that the new generation program can produce high-quality circuit layouts efficiently.<<ETX>>

[1]  Yannis Tsividis.  Analog MOS integrated circuits-certain new ideas, trends, and obstacles , 1987 .

[2]  Alberto Sangiovanni-Vincentelli,et al.  Mighty: a rip-up and reroute detailed router , 1986 .

[3]  Rob A. Rutenbar,et al.  Automatic layout of custom analog cells in ANAGRAM , 1988, [1988] IEEE International Conference on Computer-Aided Design (ICCAD-89) Digest of Technical Papers.

[4]  Carlo H. Séquin,et al.  Automatic layout generation for CMOS operational amplifiers , 1988, [1988] IEEE International Conference on Computer-Aided Design (ICCAD-89) Digest of Technical Papers.

[5]  C. L. Liu,et al.  A New Algorithm for Floorplan Design , 1986, DAC 1986.

[6]  Bing J. Sheu,et al.  An integrated-circuit reliability simulator-RELY , 1989 .

[7]  Maher Kayal,et al.  SALIM: a layout generation tool for analog ICs , 1988, Proceedings of the IEEE 1988 Custom Integrated Circuits Conference.

[8]  J. Litsios,et al.  ILAC: an automated layout tool for analog CMOS circuits , 1988, Proceedings of the IEEE 1988 Custom Integrated Circuits Conference.

[9]  E. Berkcan,et al.  Physical assembly for analog compilation of high voltage ICs , 1988, Proceedings of the IEEE 1988 Custom Integrated Circuits Conference.

[10]  Bing J. Sheu,et al.  Self-reconstructing technique for expert system-based analog IC designs , 1989 .

[11]  Bing J. Sheu,et al.  Knowledge-based analog circuit synthesis with flexible architecture , 1988, Proceedings 1988 IEEE International Conference on Computer Design: VLSI.