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Questions tagged [ibis]

IBIS is the acronym to Input/output Buffer Information Specification. These models are used for simulations.

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OrCad IBIS to PSpice translator creates multiple models for my part

So I used the IBIS translator in PSpice Model Editor for an ADC (AD9343). it produces multiple .subckt models (one for Input, one for Output, one for IO,etc...). Now when im creating a part, it lets ...
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217 views

How to select the model selector for TI IBIS model of DRA725?

Following is the IBIS model selector section for the DRA725 SoC in IBIS file. Currently, I do SI analysis of DRA725 with Mentor HyperLynx SI, Intention is to select the right model selector. What to ...
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2k views

Hspice to Ltspice conversion

Has anyone had any luck converting Hspice or IBIS model files to formats LtSpice can use? Any help much appreciated, thank you!
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2k views

What is difference between IBIS model and IBIS-AMI model and what are specific application of these two models?

I am working on PCIe 3.0 compliance testing from signal integrity and power integrity point of view. I would like to understand the difference between IBIS and IBIS-AMI model and which model is good ...
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367 views

Spartan 6 pin output impedance

I'm trying to decide if the internal programmable output termination (UNTUNED_50) of the spartan XC6SLX45-2CSG324I if sufficient for our design, or an external termination is needed. The traces from ...
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916 views

IBIS model of capacitors

I have started the design of a high speed digital design multi-gbps interfaces. I would like to use Altium designer for PCB analysis (signal integrity). But I am wondering if altium uses the IDEAL ...
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494 views

IBIS Model Characteristic Impedance

I have tried to understand how to match my 50 ohm pcb trace, which is carrying a high-speed data signal, with a digital chip's input pin. The problem is that I don't understand why the calculations ...
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1answer
950 views

No driver IC on net in Hyperlynx problem

I am getting the 'no driver IC on net' problem in Hyperlynx signal integrity software. Does anyone have any idea bout it? This is my PCB: It has an SMD connector and an AD9767 DAC. I have added the ...
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214 views

How to create a single line model (SLM), multi line model (MLM) and/or IBIS model of an interconnect for simulation?

I want to create a single line model, multi line model and/or IBIS model of an interconnect for simulation in Hyperlynx software but can't understand how to do it when the manufacturer has given no ...
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11k views

What software can I use to simulate I.B.I.S Models?

I am trying to simulate a switch (TS5A3154) which is made my Texas Instruments but the only models they have available are ones called IBIS Models. Now I have done a little bit of research and ...
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345 views

Alternative IBIS model for receiver

What do you do when you want to simulate a signal (i.e with Hyperlynx) but you can't find the IBIS model of the receiver chip? What parameters do you need? Where can you find them?