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In this paper we introduce a fine-grain fault diagnosis approach for reconfigurable logic blocks. As opposed to previous works, we propose to reuse rather than to discard defective blocks. We describe methods to analyze deeper a defective Xilinx Virtex2Pro slice and diagnose the fault, out of a set of 150, that causes the malfunction. The outcome of the fault diagnosis is subsequently used to characterize...
In this paper, we present a test pattern generation method based on fault injection for logic elements of FPGAs (Field Programmable Gate Arrays). This method is able to perform fault diagnosis for stuck-at-0 and stuck-at-1 faults, which can locate logic resource faults in the logic elements of FPGA. We use EP2C8Q208C8N's LE (Logic Element) of Altera as the object to generate the test pattern, work...
Reversible logic is attracting the researchers attention for fault susceptible nanotechnologies including molecular QCA. In this paper, we propose concurrently testable FPGA design for molecular QCA using conservative reversible Fredkin gate. Fredkin gate is conservative reversible in nature, in which there would be an equal number of 1s in the outputs as there would be on the inputs, in addition...
A built-in self-test (BIST) approach is presented for the configurable logic blocks (CLBs) in Xilinx Virtex-5 field programmable gate arrays (FPGAs). A total of 17 configurations were developed to completely test the full functionality of the CLBs, including distributed RAM modes of operation. These configurations cumulatively detect 100% of stuck-at faults in every CLB. There is no area overhead...
This paper presents principles and results of dynamic testing of an SRAM-based FPGA using time- resolved fault injection with a pulsed laser. The synchronization setup and experimental procedure are detailed. Fault injection results obtained with a DES crypto-core application implemented on a Xilinx Virtex II are discussed.
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