On Wed, 17 Feb 1999, Mr and Mrs James Paul wrote:

>  OTP parts are really EPROM devices without a window to erase
>  them.  ROM parts are actually Masked ROM parts.  You have to
>  send your code to Microchip, and they hard code it into the
>  part.  The result of this is that the parts are much cheaper
>  than using OTP parts, if you have enough volume to justify the
>  initial setup costs.  Hope this helps.
>

What?
I thought that you could program OTPs yourself, but you just couldnt erase
it once you did.  What gives?

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