vi Contents 4.
The IBIS models are generated with a 50 Ohm load (as required by the IBIS forum). . . . . The chip vendors are in the business of making chips. . . . . Hello, I need to simulate a circuit which uses 74HCT1G08 AND gate. . . . . The HSPICE model is encrypted and can only be used in HSPICE. Likewise, C_comp must exist in the model block for correct syntax. . The validation methodology described in this chapter can be applied to any model. I got an ibis model for this AND gate. . .
- selected all. The sn74aup1g14 has an IBIS model and an HSPICE model. With extensive usage in analog/RF/mixed-signal IC design, cell and The voltage range keyword is required in each model for correct syntax. . . All other keywords are optional; if not used, default values will be selected. . HSPICE® User Guide: Basic Simulation and Analysis Version J-2014.09, September 2014 The minimum and maximum values may be NA. . For more specific details and examples refer to the relevant manual.
. IBIS keywords Pullup Reference and Pulldown Reference do not exist and POWER Clamp Reference and GND Clamp Reference have different values than those determined by the Voltage Range IBIS keyword. Models that pass the checks are not necessarily tested. The typical value must be a number and may be 0. The IBIS model matches the logic voltage levels, as well as the slew rate of the actual circuit. . On the other hand, the HSPICE models make no reference to the package or the pinout, therefore a HSPICE model would be the same for all options and packages of the same voltage level of a particular design. Modeling Input/Output Buffers Using IBIS Files. . . . 2. . On the other hand, the HSPICE models make no reference to the package or the pinout, therefore a HSPICE model would be the same for all options and packages of the same voltage level of a particular design. ctrasvina, I have not used our IBIS models in PSpice v16.6.
. . . DATASHEET synopsys.com Overview HSPICE® is the industry’s “gold standard” for accurate circuit simulation and offers foundry-certified MOS device models with state-of-the-art simulation and analysis algorithms. The final step is using the model in a simulation to check for unexpected interactions between the model and the simulator. . . - IBIS translator in model editor. Example model = 'ABC_1234_out' model = 'abc_1234_IN' Optional Keywords. . . I avoid using 0 in models in order to avoid divide-by-0 errors. . . . . . The SPICE kits provide models that support a wide variety of I/O features across process, voltage, and temperature (PVT).
. (PCI-X Validation of IBIS Model vs. Actual Circuit: Click Image to Enlarge) 4. . Model validation prepares a model for release. . 43 2. Be sure that a complete set of parameters is entered in the correct sequence before The IBIS models are generated with a 50 Ohm load (as required by the IBIS forum).
. iv Contents Use of Example Syntax . Syntax Notation The meaning of a parameter may depend on its location in the statement. Also, HSPICE models are not generated with specific loads.
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