Re 2: Revised proposal on MSE high-impedance spec
r_moore at qlc.com
Mon Jun 21 13:28:42 PDT 1999
* From the T10 Reflector (t10 at symbios.com), posted by:
* Richard Moore <r_moore at qlc.com>
Gene has a point and so does John. If you superimpose Figure 26 (the active
region) on the new figure, you would see the current (for a single high-Z
crossing the maximum active-negation driver output at 7 mA. With multiple
high-Z MSE receivers
I believe this intersection could be on the 20 mA segment of Figure 26.
However, I don't think
the 160 mA in Gene's original comment is possible due to the limit in Figure
26. (I'm ignoring
terminators for the moment) I suspect real devices will operate well inside
of Figure 26, so I would expect 7-10 mA would be more likely.
How much current would we consider to be excessive?
-- Richard Moore
>From: Gene_Milligan at notes.seagate.com
>[mailto:Gene_Milligan at notes.seagate.com]
>Sent: Monday, June 21, 1999 11:57 AM
>To: John Lohmeyer
>Cc: T10 Reflector
>Subject: Re 2: Revised proposal on MSE high-impedance spec
>* From the T10 Reflector (t10 at symbios.com), posted by:
>* Gene_Milligan at notes.seagate.com
>I think we still are disconnected. My issues is whether or not
>can be that high not whether or not it can be sourced.
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