piclist 2003\01\31\075613a >
Thread: Pin won't turn off properly
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Hi Jinx,

I have done similar applications with a SX28 without any problems.  Using it
to R/W on a Z80 buss.  Although not with PortA; however I have used PortA
with other high freq apps.  Always with the SX28 ... size is generally not a
problem in our products ...

Is the SX decoupled, (eg .1mf or tant cap right at the SX's power pins)?
The only other thing I can think of is to hack wire up a SX28.  I don't
believe that lead length, capacitance / inductance of the trace or any of
that other stuff is the problem.  Assuming that the SX18 is decoupled,  I
think the problem may be in the '18.

- Mike



Jinx wrote:

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