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Date: | Fri, 19 May 2000 15:59:08 -0500 |
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You are correct. Use windowed for development or for early production (till
you software is deemed "Debugged"). EPROMs without a window are known as
"One Time Programmable or "OTP" for short. Burn once only! Use em for
production runs which don't reach volume levels for ROM masking.
Craig
TRI-C Design
----- Original Message -----
From: Stephen R. Gregory <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, May 19, 2000 3:32 PM
Subject: [TN] Question about EPROM's...
> Hi ya'll!
>
> Gotta dumb question about EPROM's. If you screw-up and program them wrong
> (wasn't me! I didn't do it...hehehe), you can't re-program them unless
they
> have a glass window in the top of them in which to use ultraviolet light
to
> erase them...right?
>
> We've got some EPROM's from a company called "Waferscale" and I went to
their
> web page and searched for the part number we have. They sell windowed and
> non-windowed versions. I'm assuming the non-windowed types are a one shot
> deal...am I correct?
>
> Thanks!
>
> -Steve Gregory-
>
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