I'd be looking very carefully at how stable, and well decoupled the supply rail is. All the calculations you have done, are based on the chip having _exactly_ 5v at the supply pin....
Best Wishes
Sunny Guest
Posted: Mon May 12, 2008 12:45 pm
Ttelmah wrote:
I'd be looking very carefully at how stable, and well decoupled the supply rail is. All the calculations you have done, are based on the chip having _exactly_ 5v at the supply pin....
Best Wishes
Yes that's a good hint. I checked the VCC and now the problem is solved!
Thank you very much!
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