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Thread: 16F84A - 4MHz or 20MHz?
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face BY : David VanHorn email (remove spam text)



At 10:11 AM 11/6/00 -0800, William Chops Westfield wrote:
>    I don't want to run a 4MHz chip at 20MHz. But if I bought 4MHz chips
>    that are actually 20MHz chips I would like to KNOW. :o)
>
>I think it's unlikely that chips that have actually been through the testing
>procedure for 20MHz parts would be (re)marked as 4MHz parts.  What IS likely
>is that long after a production line / die-shrunk design is producing chips
>that will ALL run at 20MHz, only some of them will go through the testing
>regime, and the rest will get labeled as 4MHz...


So why would microchip damage their profitability, by selling you 20 MHz
chips at 4 MHz prices?  (unless they had to, because they ran out of 4 MHz
chips)

If all the chips are 20 MHz, then why not just drop the lower speed grades
from the product lineup?

Understand, I do believe that they would like to produce only 20 MHz parts
(or whatever the highest speed is) but based on many converations with many
vendors, I don't think that they are actually able to pull this off.

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Subject (change) 16F84A - 4MHz or 20MHz?

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