Surviving Space: Radiation, Bit Flips, and Naked Silicon. An interview with Matthew Gill

from Zero to ASIC Course · host Matt Venn

A deep dive into radiation, bit flips, orbital hot spots, and what it really takes for silicon to survive in low Earth orbit.Follow Matthew Gill: https://www.linkedin.com/in/42-matthew-gill/00:00 Intro 01:30 Matthew is a nuclear engineer 02:26 How do you test without going to orbit? 07:01 How does a bit flip happen? 09:00 What does a hardened PDK and tooling look like? 11:31 ESD testing 14:15 RP2040 on HUNITY 19:39 What is LEO like? 23:35 Building a sensor to measure these effects 25:22 Open source silicon intersecting with space 30:26 What kind of shielding could we add? 33:54 Van Allen belts 39:18 Error detection 41:28 Wafer variability 44:05 Managing thermals 49:44 Thanks

What this episode covers

A deep dive into radiation, bit flips, orbital hot spots, and what it really takes for silicon to survive in low Earth orbit.Follow Matthew Gill: https://www.linkedin.com/in/42-matthew-gill/00:00 Intro 01:30 Matthew is a nuclear engineer 02:26 How do you test without going to orbit? 07:01 How does a bit flip happen? 09:00 What does a hardened PDK and tooling look like? 11:31 ESD testing 14:15 RP2040 on HUNITY 19:39 What is LEO like? 23:35 Building a sensor to measure these effects 25:22 Open source silicon intersecting with space 30:26 What kind of shielding could we add? 33:54 Van Allen belts 39:18 Error detection 41:28 Wafer variability 44:05 Managing thermals 49:44 Thanks

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Surviving Space: Radiation, Bit Flips, and Naked Silicon. An interview with Matthew Gill

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