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From: | |
Reply To: | (Designers Council Forum) |
Date: | Mon, 23 Sep 2013 10:26:23 -0500 |
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I haven't done much impedance control lately, and I can't remember at what
length the impedance control becomes significant.
Is it 1/4 wavelength?
1/10 wavelength?
1/20 wavelength?
In other words, if I have very short traces compared to the frequency,
should I even worry about it?
(I have some Tx/Rx pairs that theoretically should be routed as
differential pairs, but they only need to be routed about an inch away. The
clock is 40Mhz)
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