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The Proton200k is a high-speed, space-qualified, radiation-hardened single-board computer based on a Texas Instruments DSP. The Proton200k is produced by Space Micro Inc, a designer and manufacturer of radiation hardened electronics for space applications. The Proton200k was originally developed under Phase I and Phase II SBIR contracts.[1] The Proton200k displays processing speeds of 900 MFLOPS or 4000 MIPS while operating at 5 watts. It is radiation hardened to a total ionizing dose greater than 100 krad(Si) and fewer than 1 single event upset per 1000 days.[2] Space Micro Inc also offers a triple-core version of the Proton200k.[3]

In 2006, the Proton200k space computer was selected for Air Force Research Laboratory's (AFRL) Autonomous Nanosatellite Guardian Evaluating Local Space (ANGELS) satellite program.[4]

Enabling technologies originally developed for the Proton200k led to the development of Space Micro's Proton400k PowerPC-based single-board computer.


  1. ^ NASA SBIR Awards
  2. ^ Proton200k datasheet
  3. ^ Proton200k-3X datasheet
  4. ^ Space Daily article

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