On Wed, 13 Aug 1997, Andy Kunz wrote:

> At 09:51 AM 9/10/97 -0700, you wrote:
> >For some reason I'm unable to erase my PIC16C74A.  I've got a Datarase II 4
>
> Some chips never erase - I have a '622 with 48+ hours and it's still
> clogged up.  GOing to play with it under an x-ray or something.
>
> Andy
>

I have a dozen 'c54 chips that won't erase. I'm thinking I probably fried
them with too much current...