Balancing Logic Utilization and Area Efficiency in FPGAs

  • Authors:
  • Russell Tessier;Heather Giza

  • Affiliations:
  • -;-

  • Venue:
  • FPL '00 Proceedings of the The Roadmap to Reconfigurable Computing, 10th International Workshop on Field-Programmable Logic and Applications
  • Year:
  • 2000

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Abstract

In this paper we outline a procedure to determine appropriate partitioning of programmable logic and interconnect area to minimize overall device area across a broad range of benchmark circuits. To validate our design approach, FPGA layout tools which target devices with less that 100% logic capacity have been developed to augment existing approaches that target fully-utilized devices. These tools have been applied to FPGA and reconfigurable computing benchmarks which range from simple state machines to pipelined datapaths. In general, it is shown that the minimum area point for architectures similar to those available from Xilinx Corporation falls belowthe 100% logic utilization point for many circuits.