http://www.spisim.com/blog/ibis2spice_p1/ EDA Experts in Signal, Power Integrity and Simulation Thu, 20 Sep 2018 17:20:34 +0000 hourly 1 https://wordpress.org/?v=5.3.2 http://www.spisim.com/blog/ibis2spice_p1/#comment-3590 Thu, 20 Sep 2018 17:20:34 +0000 http://www.spisim.com/?p=1223#comment-3590 There are waveform sections in an ibis model, i.e. [Rising Waveform] and [Falling Waveform]. The 20%~80% transition value of these waveform are defined as RTR and RTF. You may also find IBIS spec. for more information about how these can be calculated. The calculated parameters are stored with “RAMP” keywords in an ibis model.

]]> http://www.spisim.com/blog/ibis2spice_p1/#comment-3465 Mon, 13 Aug 2018 22:46:04 +0000 http://www.spisim.com/?p=1223#comment-3465 How are the ramp control values RISERMP (RTR) and FALLRMP (RTF) derived from the dV/dt values found in the IBIS files?

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