[SI-LIST] I2C Noise

All,

Has anyone encountered problems with EMI/noise issues on I2C wires and/or
busses?  We use industry standard I2C to interface with our bulk 208V/48V
AC/DC power supplies.  We are observing instances where control and status
signals (connected via I2C) for the AC/DC power supplies appear to be 
intermittently
in the wrong state.  I believe that we are currently running the I2C clock 
signal at
100MHz, and our wire lengths are significant on the order of 2-3ft.

Thanks,

Chris Jakubiec
Sun Microsystems
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