RE: [IBIS-Users] Rload in s2ibis2 script


Subject: RE: [IBIS-Users] Rload in s2ibis2 script
From: Mike LaBonte (milabont@cisco.com)
Date: Tue Oct 29 2002 - 05:22:55 PST


Rload specifies the resistor load for the ramp rate test. There
must be no other load elements for this test. The waveform simulations
can have capacitive loads, however. From the s2ibis2 doc:

    [Rising waveform] R_f V_f V_f_min V_f_max L_f C_f R_d C_d L_d
    [Falling waveform] R_f V_f V_f_min V_f_max L_f C_f R_d C_d L_d

        R_f = test fixture resistance
        V_f = test fixture load voltage
        V_f_min = test fixture load voltage for MIN curve
        V_f_max = test fixture load voltage for MAX curve
        L_f = test fixture inductance
        C_f = test fixture capacitance
        R_d = package parasitic resistance
        L_d = package parasitic inductance
        C_d = package parasitic capacitance

        Optional.
        Default: none.

        These keywords specify that s2ibis2 is to generate a rising or
        falling waveform using the parameters listed. Note that _all_
        columns must be filled, although only R_f and V_f must be
        specified. Please use the reserved word NA to fill a column
        whose value you do not wish to specify. You may have up to 100
        rising waveforms and 100 falling waveforms per model.

Mike LaBonte

-----Original Message-----
From: owner-ibis-users@eda.org [mailto:owner-ibis-users@eda.org]On
Behalf Of Anshuli Goel
Sent: Tuesday, October 29, 2002 5:08 AM
To: ibis-users@eda.org
Subject: [IBIS-Users] Rload in s2ibis2 script

Hello IBIS users

I see that in s2ibis2 script we can ddefine the rload but if I want to
define capacitive load , how should I do it ?

Regards
Anshuli Goel

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