The following table shows the revision history for this document.
| Section | Revision Summary |
|---|---|
| 4/12/2023 Version 2.1 | |
| Experiments | Added Leadville, CO to Table 1. |
| Updated devices in Table 2 and Table 3. | |
| 3/22/2016 Version 2.0 | |
| General | Updated document to reflect additional technology nodes to 16 nm and clarify historical versus ongoing experiments. |
| 10/13/2011 Version 1.1 | |
| General | Updated document to reflect 40 nm technology node and added Virtex-6 and Spartan-6 FPGA data. Updated Introduction, Table 2, Experiments, Atmospheric Test Results, QCRIT Simulation, Accelerator Test Facilities, Conclusion, Acknowledgments, and References sections. |
| 5/22/2009 Version 1.0.1 | |
| General | Changed footnote 1 on page 3. Was: FIT/Mb = failures per million hours per Megabit. Is: FIT/Mb = failures per billion hours per Megabit. |
| 3/10/2008 Version 1.0 | |
| Initial release. | N/A |