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???
02/26/08 13:38
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#151484 - Huge NREs?
Responding to: ???'s previous message
Oliver Sedlacek said:
I can't imagine a circumstance where a huge NRE in custom hardware is justified, when compared with the proven technologies available in many standard devices.


Huge NRE is a relative term. Our average NRE here (for jobs without major engineering) is about $10K. That's $1 per unit in 10K quantities.

Thanks for the link to the Dallas ap note. The idea of a self-destructing chip is interesting. The key is to prevent it from destroying itself during normal operation of your design.

List of 22 messages in thread
TopicAuthorDate
Obtaining maximum code security            01/01/70 00:00      
   Worth it ?            01/01/70 00:00      
      Protection with Patents            01/01/70 00:00      
   the value... again...            01/01/70 00:00      
      "OCR"ing a Design            01/01/70 00:00      
   It's a brave man            01/01/70 00:00      
      Specialist secure micros            01/01/70 00:00      
         this is a different form of security            01/01/70 00:00      
         Huge NREs?            01/01/70 00:00      
            What if you don't bond out nPSEN?            01/01/70 00:00      
               why not drop !EA            01/01/70 00:00      
                  Don't Drop !EA!            01/01/70 00:00      
                     Couldn\'t you do that in another way            01/01/70 00:00      
                        Eliminating /EA            01/01/70 00:00      
               The value of PSEN            01/01/70 00:00      
            not only...            01/01/70 00:00      
               Brute-force copying            01/01/70 00:00      
                  well, maybe...            01/01/70 00:00      
            Erase on tamper detect            01/01/70 00:00      
   Make the chip hard to access            01/01/70 00:00      
      It's quite impractical...            01/01/70 00:00      
   few thousand dollars ... Not at all            01/01/70 00:00      

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