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How important is SPICE today and how will it be in the future?

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antonio_eda

antonio_eda

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In your oppinion, how important is SPICE today and how it will be in the future? Is it still the only one and most important tool in analog design?
 

Re: Is SPICE dead?

It is quite good for low frequency analysis.
 

Re: Is SPICE dead?

Spice is very good for design verification, but have many shortcomings and need be improved
 

Re: Is SPICE dead?

flatulent said:
It is quite good for low frequency analysis.
Click to expand...

I always though that spice is the last step for all transistor level design projects. And passing a spice simulation after parasitics extraction is sufficient to start taping out, is this not the case for high frequency design?
 

Re: Is SPICE dead?

The models in SPICE are limited and only work at lower HF-VHF frequencies.
 

Re: Is SPICE dead?

Yes, it is true. All MOSFET models in Spice are quasistatic? Why there are no high frequency models in Spice? What is the alternative? Are there any nonquasistatic models used in any good software?
 

Re: Is SPICE dead?

I am reminded of the folk saying "whipping a dead horse" when I think of the various ways that are used to extend the usefulness of different products.

SPICE is great, cheap, and easy to learn as long as your are doing lower frequency circuits. For microwaves you need S parameters or more complex models.
 

Re: Is SPICE dead?

In the question "Is Spice dead?" I wonder if it is changing or not? The most irritating aspect of Spice was for me the lack of programming. I would like to have a mixture of Matlab and Spice, or to have a Spice in Matlab ;-) I have found Spice3/Nutmeg much better than many commercial products. But Nutmeg is not as flexible as Matlab... Have somebody heard about Spice in Matlab?
 

Re: Is SPICE dead?

SPICE and matlab are two different program. both of them use different type of compiler. i dont think there is a fusion of this two in one program. at least up until now. but for my opinion SPICE will not be dead. if i'm not mistaken now HSPICE also capable in simulating circuit in RF band frequency. However the spice model must be accurate enough to do the job.
 

Re: Is SPICE dead?

I don't know whether SPICE and MAtlab can be integrated but ELDO and Matlab can.

Thius is done through the AMS module.
 

Re: Is SPICE dead?

Such an integration of Matlab and Spice should be easy. Matlab works with matrices and the output of spice are vectors. So one may call Spice from Matlab?, and so on...
 

Re: Is SPICE dead?

Well, from my point of view, I'm 100% sure SPICE can support high-frequency electronics, in fact HSPICE does.

I usually work on PCB interconnects & signal integrity for digital circuits, for this stuff SPICE is THE TOOL for today and I'm sure for the future (plus EM simulators, because extracted interconnect models need to be simulated always on SPICE)
 

    antonio_eda

    antonio_eda

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Is SPICE dead?

I also think SPICE will continuiously take a more important part in the future
 

Re: Is SPICE dead?

...but how will be the Spice in the future? What is your preferred Spice system? How is in your opinion a perfect Spice? Do you find in your Spice everythig you want?
 

Re: Is SPICE dead?

hi!

i am a spice user and have had experiences with hspice, tspice and even the humble winspice. according to my professor, he wrote a book on spice, he likes spice because of the information you can derive from it. assuming of course you know how to read and interpret the file, especially the .lis file. it is good for starters and a is perfect for education. simple and thorough. i don't think spice will disappear. BSIM always has updated models and even foundries like mosis use BSIM models.

- al
 

Is SPICE dead?

hhhave aanyooonne know antrism ? a analog synthesis too ..but long time ago

I never find any analog synthesis tool be use
even simply OPA or bandgap /comparator
have any tool can synthesis a OPA

neocell is for shrink not synthesis tool
 

Is SPICE dead?

Hspice is still a industral standrad verification tool for analog circuit!!
 

Re: Is SPICE dead?

I don't think that SPICE is not developing. A new class of SPICE simulators has emerged, it is called analog fast SPICE simulators. And it is one more step forward.
 

Re: Is SPICE dead?

Hello,

My experience with Spice is
it is simple & easy way of describing non linear models for any transient simulators...It only has flavours which difference...lot of new analog/mixed signal & even rf circuit simulators still use spice models & it is evlovng handling complexities of frequency domain parameters...

Most of them in Anaog & RF IC designers still dependent on PSpice, HSPICE , compatible formats or models....I think still lot of development & research scope is availble...



---manju---
 

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