At 04:13 PM 8/13/97 -0400, Andy Kunz wrote:
>>I've got 8 chips exhibiting this behaviour, and I tried erasing for 20 min.
>>without success.  I'm using relatively old chips, I believe, but even with
>>the code protection, would 20 min. be reasonable?
>If they aren't "A" suffix parts, should be fine.  Try a longer exposure, or
>a new bulb.  How quickly do other chips erase for you?

Actually, they are 16C74A... ?

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