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I am a student working towards my Master's degree. I am currently doing a project where I have to design a low power circuit. The design consists of multi-Vt nmos and pmos. Can anybody help me out with this? How can I model a high Vt or low Vt transitor in Virtuoso. Although these cells are not available in the standard cell library. Can I create a cell on my own and add it to the existing library? Also, is it possible to simulate such a schematic using Spectre?
Also, is it possible to generate a layout for any design given the schematic using VirtuosoXL ?
Thanks in advance.
Multi threshold MOS transistors are an option of your technology.
As a student do you design in a real technology?
Will your design bee manufactured?
You should check your technology documentation if you have this
option available. Then your silicon vendor should provide you
with the models and layout cells for Low or High Vt MOS transistors.
This is usually nothing what a designer does itself.
This requires specialist which have deep knowledge of modeling and
the manufacturing process.
In reply to Bernd:
Thanks for the reply. My design won't be fabricated but still, there must be a way to model the transistors and verify them right ? How about implementing DTS ?? That is feasible.... just for simulation purposes...
Hi Dear All
i want to use low VT MOS in my simulation by Hspice but i dont know
how can i define it?
help me please.