Akhilesh, The same way one would use, for a common no-hysteresis device, input thresholds of 0.8 and 2.0 V for Vinl and Vinh, respectively. These represent the highest voltage still considered a "low" and the lowest voltage still considered a "high." Everything below 0.8 is guaranteed low and everything above 2.0 is guaranteed high. In-between is a "no man's land" where the logic state of any one component seeing that input level cannot be guaranteed. Hysteresis complicates this somewhat, but the general concept is still the same. - Michael Mirmak Intel Corp. Chair, EIA IBIS Open Forum -----Original Message----- From: Akhilesh CHANDRA [mailto:akhilesh.chandra@st.com] Sent: Tuesday, July 03, 2007 12:24 AM To: Mirmak, Michael; ibis-users@server.eda.org Cc: Akhilesh CHANDRA Subject: RE: [IBIS-Users] Extraction of Vinh+ and vinh- Hello Michael, If I define two values how it use during the simulation means at application point of view how we can use this info. Regards Akhilesh -----Original Message----- From: owner-ibis-users@server.eda.org [mailto:owner-ibis-users@server.eda.org] On Behalf Of Mirmak, Michael Sent: Monday, July 02, 2007 8:30 PM To: Akhilesh CHANDRA; ibis-users@server.eda.org Subject: RE: [IBIS-Users] Extraction of Vinh+ and vinh- Akhilesh, Thanks for your question. One leading idea you might find useful is that the *design* may switch at one particular point, but one million typical parts at the same fixed voltage and temperature conditions do not all switch at exactly the same voltage point. The expected range of variation would likely come either from the silicon manufacturer or from the relevant industry specification. - Michael Mirmak Intel Corp. Chair, EIA IBIS Open Forum -----Original Message----- From: owner-ibis-users@server.eda.org [mailto:owner-ibis-users@server.eda.org] On Behalf Of Akhilesh CHANDRA Sent: Monday, July 02, 2007 2:45 AM To: ibis-users@server.eda.org Cc: Akhilesh CHANDRA Subject: [IBIS-Users] Extraction of Vinh+ and vinh- Hello Experts, I have one query regarding vinh+ and vih-. According to IBIS spec we can define it by following way. TYP MIN MAX Vinh+ 2.0 NA NA Vinh- 1.6 NA NA Vinl+ 1.1 NA NA Vinl- 0.6 NA NA How we can extract vih+ and vinh- at one process, voltage and temp. In my view design switch at one point. How I can extract two values. Regards Akhilesh -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org |with the appropriate command message(s) in the body: | | help | subscribe ibis <optional e-mail address, if different> | subscribe ibis-users <optional e-mail address, if different> | unsubscribe ibis <optional e-mail address, if different> | unsubscribe ibis-users <optional e-mail address, if different> | |or e-mail a request to ibis-request@eda-stds.org. | |IBIS reflector archives exist under: | | http://www.eda-stds.org/pub/ibis/email_archive/ Recent | http://www.eda-stds.org/pub/ibis/users_archive/ Recent | http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org |with the appropriate command message(s) in the body: | | help | subscribe ibis <optional e-mail address, if different> | subscribe ibis-users <optional e-mail address, if different> | unsubscribe ibis <optional e-mail address, if different> | unsubscribe ibis-users <optional e-mail address, if different> | |or e-mail a request to ibis-request@eda-stds.org. | |IBIS reflector archives exist under: | | http://www.eda-stds.org/pub/ibis/email_archive/ Recent | http://www.eda-stds.org/pub/ibis/users_archive/ Recent | http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org |with the appropriate command message(s) in the body: | | help | subscribe ibis <optional e-mail address, if different> | subscribe ibis-users <optional e-mail address, if different> | unsubscribe ibis <optional e-mail address, if different> | unsubscribe ibis-users <optional e-mail address, if different> | |or e-mail a request to ibis-request@eda-stds.org. | |IBIS reflector archives exist under: | | http://www.eda-stds.org/pub/ibis/email_archive/ Recent | http://www.eda-stds.org/pub/ibis/users_archive/ Recent | http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993Received on Tue Jul 3 05:38:07 2007
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