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

Probably.  '54 usually is a couple minutes, even when cp'd

Andy


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Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
          Hardware & Software for Industry & R/C Hobbies
        "Go fast, turn right, and keep the wet side down!"
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