Could some one point me in the right direction were I can find or have a spec on this High-speed interface that can share it with me. Here is what I'm looking for SPI-4 P2 layout guide What is the layout guideline in general? Bus type is it source synchronous, if so what is the skew tolerance from Tx pairs and Rx Pairs, also what the max Length requirements are if any. Thanks Inkra Networks Patrick Jabbaz CID Sr Board Layout Eng. 40971 Encyclopedia Circle=20 Fremont, CA 94538 Work (510) 249-4835 Mobile (408) 621-6533 patrick@xxxxxxxxx ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu