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SPICE Model for Magnetic Tunnel Junctions

xiaoweishawn

I am trying to find a good model for magnetic tunnel junction(MTJ) that could work in Cadence to do simulation. BTW, MTJ is a new device and has no present models in cadence like nefet or pfet. I happended to find this one nanohub.org/.../SPICE_Model_Manual.pdf​ which seems quite promising.

according to what said on the webpage, the model file includes 6 files: LLG.lib, LLGThermRandNum.va, MTJ.lib, MTJ_res.va, NRL_MTJspice_ENC_LIB.inc and USUAGE( these files could be found  nanohub.org/.../19048, then under the supporting Docs column). 

My question is what might  these six files for and how could I performe simulation with these six files in cadence?

I am a beginner in cadence, not sure whether I express myself clear or not. Thanks so much for your possible help!

Bless. 

 

Parents

  • Hi, Quek

    I tried in library manager file->New->cellview........and then verilogA, but then  it reminds me .....failed. Might it because the cadence in my school doesn't support this function? Cadence in my school is not a full version, I found that several other functions mentioned by others on internet didn't work on the cadence here.

    I am thinking of  creating a symbol in Cadence with five terminals( it seems that the MTJ model uses five terminals, attached is the example netlist given on MTJ model). And then use this symbol in the ADE to perform simulation(need to include model file:  LLG.lib &MTJ.lib?).  Will this be possible? how should I do it?

    BTW, I did create a symbol with five terminals in the symbol editor, but it fails when I tried to create a netlist of it in the ADE environment. 

    Thanks very much for your help!

     

    Xiaowei 

Reply

  • Hi, Quek

    I tried in library manager file->New->cellview........and then verilogA, but then  it reminds me .....failed. Might it because the cadence in my school doesn't support this function? Cadence in my school is not a full version, I found that several other functions mentioned by others on internet didn't work on the cadence here.

    I am thinking of  creating a symbol in Cadence with five terminals( it seems that the MTJ model uses five terminals, attached is the example netlist given on MTJ model). And then use this symbol in the ADE to perform simulation(need to include model file:  LLG.lib &MTJ.lib?).  Will this be possible? how should I do it?

    BTW, I did create a symbol with five terminals in the symbol editor, but it fails when I tried to create a netlist of it in the ADE environment. 

    Thanks very much for your help!

     

    Xiaowei 

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