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AMS / readic SCS file

david0526

hello,

I'm using readic option with AMS to load EE default settings before running my sims.  Presently I have to specify the testbench name for every line item in the .scs file.  Is there a way to make the testbench name a "variable" that can get loaded automatically (instead of me manually changing the .scs file for every testbench in my library)?  I know for probe.tcl files this is possible by doing something like:

>> set testbench_name [scope]

and then using it in the probe statements, i.e.

>> probe -create -emptyok -database ams_database -flow "$testbench_name.I_dut.etc"

Any help would be appreciated!

Thanks in advance.

Parents

  • Hi Andrew,

    Thank you for the reply, sorry I wasn't very clear.

    I have an EEPROM block that requires initialization.  I've been doing this by specifying a "default_trim.scs" file in the readic field under "algorithm" tab in Transient sim options.  Here's a snapshot of what the file contains (I'm told this is the format that the PDK requires for the EEPROM model):

    (CellName).IDUT.EEPROM.I_NVM.USER_1.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_2.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_3.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_4.M3.INITIALVOLTAGE 1
    (CellName).IDUT.EEPROM.I_NVM.USER_5.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_6.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_7.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_8.M3.INITIALVOLTAGE -1

    where "(CellName)" is the name of my testbench.  "-1" and "1" specify burned/not_burned in my model.  Presently, for every testbench I build I have to manually replace (CellName).  I would like to (ideally) have (CellName) auto-populate so that way I can use only 1 file for all the testbenches (instead of a single file per testbench).

    Please let me know if I'm still not describing the issue sufficiently.

    Thank you for the help.

Reply

  • Hi Andrew,

    Thank you for the reply, sorry I wasn't very clear.

    I have an EEPROM block that requires initialization.  I've been doing this by specifying a "default_trim.scs" file in the readic field under "algorithm" tab in Transient sim options.  Here's a snapshot of what the file contains (I'm told this is the format that the PDK requires for the EEPROM model):

    (CellName).IDUT.EEPROM.I_NVM.USER_1.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_2.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_3.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_4.M3.INITIALVOLTAGE 1
    (CellName).IDUT.EEPROM.I_NVM.USER_5.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_6.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_7.M3.INITIALVOLTAGE -1
    (CellName).IDUT.EEPROM.I_NVM.USER_8.M3.INITIALVOLTAGE -1

    where "(CellName)" is the name of my testbench.  "-1" and "1" specify burned/not_burned in my model.  Presently, for every testbench I build I have to manually replace (CellName).  I would like to (ideally) have (CellName) auto-populate so that way I can use only 1 file for all the testbenches (instead of a single file per testbench).

    Please let me know if I'm still not describing the issue sufficiently.

    Thank you for the help.

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