Product-term based synthesizable embedded programmable logic cores

TitleProduct-term based synthesizable embedded programmable logic cores
Publication TypeConference Paper
Year of Publication2003
AuthorsYan, A., and S. J. E. Wilton
Conference NameField-Programmable Technology (FPT), 2003. Proceedings. 2003 IEEE International Conference on
Pagination162 - 169
Date Publisheddec.
Keywordscellular arrays, density improvement, integrated circuit design, integrated circuit layout, lookup table based architectures, post fabrication, product term arrays, product term based synthesizable embedded programmable logic cores, programmable logic devices, programmable logic fabric, standard benchmark circuits, standard cells, table lookup
Abstract

As integrated circuits become increasingly complex, the ability to make post-fabrication changes will become more important and attractive. This ability can be realized using programmable logic cores. Currently, such cores are available from vendors in the form of a "hard" layout. Previous work has suggested an alternative approach: vendors supply a synthesizable version of their programmable logic core and the integrated circuit designer synthesizes the programmable logic fabric using standard cells. This paper presents a new family of architectures for these synthesizable cores; unlike previous architectures which were based on lookup-tables, the new family of architectures is based on a collection of product-term arrays. Compared to lookup-table based architectures, the new architectures result in density improvements of 35% and speed improvements of 72% on standard benchmark circuits.

URLhttp://dx.doi.org/10.1109/FPT.2003.1275744
DOI10.1109/FPT.2003.1275744

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