EPROM issues, who can burn?

From: Bruce Lane <kyrrin_at_bluefeathertech.com>
Date: Sun Oct 31 17:04:13 1999

At 15:29 31-10-1999 -0500, Tim Shoppa declaimed...

>1. Really, really old devices aren't well supported on even the best
>modern programmers. (The obvious example of this is the Intel 1702A.)
>In many cases you have to go back to "classic" programmers to get these
>programmed.

        <snip>

        Absolutely right. My UniSite, as slick as it is, doesn't go back any
farther than 2708's for EPROMs, and the Signetics/Philips 82Sxxx series for
bipolars.

>2. Some devices (particularly PALs) with the security fuse blown *can* be
>reverse engineered through either detective work or brute force.

        Functional vs. exact replacement. Yep, I've done that.


-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Bruce Lane, Owner and head honcho, Blue Feather Technologies
http://www.bluefeathertech.com // E-mail: kyrrin_at_bluefeathertech.com
Amateur Radio: WD6EOS since Dec. '77
"Our science can only describe an object, event, or living thing in our
own human terms. It cannot, in any way, define any of them..."
Received on Sun Oct 31 1999 - 17:04:13 GMT

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