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A highly flexible ROM generator for BiCMOS technology

: Eßer, W.; Schardein, W.; Weghaus, B.; Wittmann, R.

Institute of Electrical and Electronics Engineers -IEEE-:
ESSCIRC '91. 17th European Solid State Circuits Conference. Proceedings
Milano: Tecniche Nuove, 1991
European Solid State Circuits Conference <17, 1991, Milano>
Conference Paper
Fraunhofer IMS ()
automatischer Entwurf; BICMOS; Computer Aided Design (CAD); CMOS; design automation; design rules independent; GDT; generator; generator development tool; layout generator; Leseverstärker; memory compiler; parameterizable; parametrisierbar; ROM; sense amplifier; silicon compilation; Technologieunabhängigkeit; technology independent

This paper describes a highly flexible design rule independent ROM generator for BiCMOS technology with full CAD support for compilation, verification, simulation, and documentation. The flexibility is mainly achieved by a quantization of the memory space by steps of only one word and by the option of an arbitrary aspect ratio of the ROM matrix. Special BiCMOS circuits have been developed for speed optimization and integrated in the CAD tool. An overview on the design flow is given.