Circuit Level Modeling of Extra Combinational Delays in SRAM FPGAs Due to Transient Ionizing Radiation

TL;DR

This paper introduces a circuit-level model that explains additional combinational delays in SRAM-FPGAs caused by radiation, validated through experimental proton irradiation data, enhancing understanding of radiation effects on FPGA timing.

Contribution

The paper presents a new circuit-level model specifically for extra delays in SRAM-FPGAs due to radiation, validated against experimental proton irradiation results.

Findings

Model accurately predicts radiation-induced delays

Experimental validation with proton irradiation data

Enhanced understanding of radiation effects on FPGA timing

Abstract

This paper presents a novel circuit level model that explains and confirms the extra combinational delays in a SRAM-FPGA (Virtex-5) due to radiation, which matches the experimental results by proton irradiation at TRIUMF.