Title :
A custom cell generation system for double-metal CMOS technology
Author :
Gee, P. ; Hajj, I.N. ; Kang, S.M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA
Abstract :
An automatic module generation system is presented which is based on the metal-metal matrix layout style for double-metal CMOS technology. The circuit is described in SPICE format or by incidence matrices. The transistor circuit is partitioned into medium-sized cell containing up to 200 transistors and converted into physical mask layers using a cell generator. This generator has been designed to control the height of the cells and hence also the width, so that the cells can be used in a standard cell layout environment. The height of the cell is controlled by removing vertical constraints imposed on horizontal nets by adding additional columns to the cell.<>
Keywords :
CMOS integrated circuits; VLSI; cellular arrays; circuit layout CAD; integrated circuit technology; modules; CAD; IC technology; SPICE; VLSI; additional columns; automatic module generation; custom cell generation; double-metal CMOS technology; height; horizontal nets; incidence matrices; metal-metal matrix layout; physical mask layers; standard cell layout environment; vertical constraints; width; CMOS technology; Circuit synthesis; Integrated circuit interconnections; Libraries; Logic design; MOSFETs; Matrix converters; Minimization methods; SPICE; Very large scale integration;
Conference_Titel :
Computer-Aided Design, 1989. ICCAD-89. Digest of Technical Papers., 1989 IEEE International Conference on
Conference_Location :
Santa Clara, CA, USA
Print_ISBN :
0-8186-1986-4
DOI :
10.1109/ICCAD.1989.76922
