An Approach to Minimize the Test Configuration for the Logic Cells of the Xilinx XC4000 FPGAs Family

  • Authors:
  • M. Renovell;J. M. Portal;J. Figueras;Y. Zorian

  • Affiliations:
  • LIRMM-UM2, 161 Rue Ada, 34392 Montpellier Cedex France. renovell @lirmm.fr;LIRMM-UM2, 161 Rue Ada, 34392 Montpellier Cedex France;UPC Diagonal, 647 Barcelona Spain. figueras@eel.upc.es;Logic Vision Inc., 101 Metra Drive San Jose CA 95110 USA. zorian@lvision.com

  • Venue:
  • Journal of Electronic Testing: Theory and Applications - special issue on the European test workshop 1999
  • Year:
  • 2000

Quantified Score

Hi-index 0.00

Visualization

Abstract

This paper describes an approach to minimize thenumber of test configurations for testing the logic cells of aRAM-based FPGA taking into account the configurability of suchflexible device. The proposed approach concerns the XILINX 4000 family. On this example of FPGA, a bottom-up test technique is firstused to generate test configurations for the elementary modules, thentest configurations for a single logic cell, and finally testconfigurations for the m × m array of logic cells. In thisbottom-up technique, it is shown that the key point is theminimization of the number of test configurations for a logic cell.An approach for the logic cell of the XILINX4000 family is thendescribed to define a minimum number of test configurations knowingthe test configurations of its logic modules. This approach givesonly 5 test configurations for the XILINX4000 family while theprevious published works concerning Boolean testing of this FPGAfamily gives 8 or 21 test configurations.