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CADENCE ELC simulation issue

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saikatchatrg

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Hi,

I am working on a standard cell library designed by me using Cadence Virtuoso. I am using Spectre for netlist generation. Now I am trying to characterize the library using Encounter Library Characterizer(ELC). But I am not able to move ahead. It stars with the database 1st. in the command file, I am using the following command.

db_open cds.lib
db_prepare -f
db_spice -s spectre -keep_log -keep_wave
db_output -p typical -alf test.alf -lib test.lib
db_close
exit

But it is not able to recognise the library.

my elccfg file is as follows.

#Specify the environment variable settings to use for characterization.
EC_SIM_USE_LSF=1;
EC_SIM_LSF_CMD="";
EC_SIM_LSF_PARALLEL=10;
EC_SIM_TYPE="spectre";
EC_SIM_NAME="spectre";
EC_IGN_XTG=1;
EC_CHAR="ECSM-TIMING ECSM-POWER";

#Specify the characterization inputs.
SUBCKT="input.scs";
MODEL="model.scs";
DESIGNS="INV_X1";
SETUP="setup.default";
PROCESS="typical";
LIB="SUBVT28CORE";



Though the cds.lib file contains the path for SUBVT28CORE library which is the library here I am working on; the tool says that it can not find out the design INV_X1.

I will appreciate any kind of help.

Regards
Saikat Chatterjee
 

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