[SI-LIST] Re: HSTL Buffer
- From: Bill.Cohen@xxxxxxxxxxxxxxxx
- To: ron.mancuso@xxxxxxxxxxx
- Date: Wed, 20 Feb 2002 18:17:42 -0500
Ron,
I have designed HSTL class I & II HSTL buffers. While the receiver is
technically differential the signalling is really single ended with a
reference signal. The termination is designed for either far end or near
and far end (Class I/II differences). I would think LVDS would be a much
better choice. I have seen several ads in tech journals for standard LVDS
driver and receivers. LVDS can be terminated on the far end using
differential termination (not tied to a reference).
--------------------------------------------------------------
| Bill Cohen
| Toshiba America Electronic Components, Circuit Design Group
| email: wcohen@xxxxxxxx
| office: (508) 486-1031 fax: (508) 481-8828
--------------------------------------------------------------
I'm looking at an application where differential HSTL is run from board
to board via twisted shielded pair. I'm investigating the option of
possibly adding buffers to strengthen the signals both as they leave and
enter the board I'm designing. Any tips on how to do this or parts that
can do this? Also, I'm assuming that since this is differential
signaling, I wouldn't need the VTT terminator - but I would rather be
wrong now than later. :)
Any input would be appreciated.
Thank you,
Ron Mancuso
Corrent Corporation
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