FPGA single-particle soft error impact evaluation method
A single-event, soft-error technology, applied in the field of integrated circuit radiation hardening design, which can solve problems such as failure to directly reflect the impact
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[0061] The specific implementation manner of the present invention is described by taking Xilinx SRAM type FPGA XQVR300 as an example.
[0062] S1: Determine the internal unit used by the SRAM FPGA:
[0063] Virtex FPGA XQVR300 is a SRAM-type FPGA produced by Xilinx on a 0.22μm process line, allowing on-track reconfiguration. Configure the FPGA as a chain of 14 registers. At the same time, the input and output modules IOB, interconnection lines and switch matrix are adopted.
[0064] S2: Analyze the single event soft error failure mode of SRAM FPGA, and establish the single event soft error failure mode tree:
[0065] Since the failure modes of the input and output module IOB and the switch matrix belong to the function interruption failure mode, the two are combined into one internal unit in order to facilitate the calculation. Since the wiring resources are used in the interconnection and the switch matrix, together with the registers, it can be classified as a memory mod...
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