5 Feb
2006
5 Feb
'06
11:27 p.m.
From: "Don North" <ak6dn at mindspring.com>
The issue will be that due to imperfect termination,
negative ringing on
the high level now has to be less than 0.75V (3.0V - 2.25V) with the
26S10 versus 1.3V (3.0V - 1.70V) with the 8641. So the 26S10 receivers
will be more sensitive to ringing on L-H transitions, possibly causing
false transitions on the output. This is probably not a concern for
data/address lines given adequate deskew delay, but more problematic for
such lines as MSYN/SSYN/etc that are actually clock edges.
Makes sense. Thanks for the explanation!
Vince