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Is heat the limitation to higher speeds? — Parallax Forums

Is heat the limitation to higher speeds?

Oldbitcollector (Jeff)Oldbitcollector (Jeff) Posts: 8,091
edited 2008-07-31 14:22 in Propeller 1
I know this is another "horse well beaten" but reading about the guys
who pushed a 2.4 intel chip to 5.1, I'm curious if it is heat generation that
causes the limitations we have found with the Propeller?

Rest of the dead horse is here: propeller.wikispaces.com/Oscillator

I doubt I'm extreme enough to liquid nitrogen (or even dry ice for that matter)
but could we get more if conditions were optimal?

OBC

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Comments

  • grasshoppergrasshopper Posts: 438
    edited 2008-07-31 14:15
    Yes I would say that heat mixed with the impurities in the simi-conductor causes the limitations.

    Over clocking the propeller, well thats possible just a matter of trial and error I guess.
  • Mike GreenMike Green Posts: 23,101
    edited 2008-07-31 14:22
    There was a brief discussion, I think by Paul Baker, on the testing of the Propeller under refrigerated operating conditions. The graphs in the datasheet show maximum clock frequency vs. operating temperature and supply voltage over at least the military temperature range. The test extreme shows a clock of about 143MHz at -60C and 3.6V.

    Post Edited (Mike Green) : 7/31/2008 2:27:19 PM GMT
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