Electronics > Beginners

Eprom 27c256 D0-D7 data waveform

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Daxxin:
looking with scope at the data D0-7 i get this shape ..thats a valid data , garbage , freerunning , Z-state ?

bson:
Check where you attached the probe's ground clip... this looks a lot like you don't have a good signal reference.

T3sl4co1l:
Also, make sure probe is on 10x setting, and scope is >= 20MHz.

Tim

Ian.M:
... and that the x10 probe's compensation adjustment is set up correctly for the flattest possible tops/bottoms on the scope's test signal with no visible over/undershoot on the edges

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