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LVS verification for gds file from Cadence SOC Encounter

 Hi,How to verify the LVS for gds file from Cadence SE. I have used 65nm STM standard cells for generating netlist file for layout and schematic design.  i am getting mismatch erros in Calibre LVS...

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external_driver_input_slew VS set_input_transition

Arent those two commands doing almost the same thing for RC compiler?

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EDI -> Empty Modules

Hello, First run through EDI 12.00 and I'm having a few teething problems.Successfully synthesised the RTL to verilog netlist but when I import the design I'm getting the following warnings (all...

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CTS for design with multiple power domains

Hi, I have a power gated domain that I'm trying to implement that I'm having trouble with CTS.I have 2 power domains : base_domain(always on) and gated_domain(power-gated).Both domains have multiple...

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Blockage of Cell Error

I did connect global power nets to all pins. Then did sroute. Then added the standard cells. And the geometry check gives me this errors, thousands of them:Blockage of Cell...

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Need to trace a path from a port to all the memory_instance it is connected

HI All,Have a query on First Encounter tool.I have a port(abc) which is connected to all the memory_pin(abc) in the design through aob'sI need to trace the connectivity and dump_out the complete path...

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set_max_delay attribute

Hi All,   Thanks for your time.I have some set_max_delay settings on input and output ports.I would like to query them in ETS. Is there a way to query them.Ex:- I have a collection of in2reg paths and...

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gds to def

Hi All, Is there any way/tool  to extract info from gds to .def file. Regardssuraj 

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Cadence SOC Encounter 7.1 and 8.1 - keyboard not working

My SOC installation does not respond to any commands from keyboard (looks like keyboard do not exist)So i run in severe problems because can not edit synthesis scripts etc. All other software,...

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How to design CHIPEDGE using encounter

Hi, All,We try to fabricate our chip with MOSIS and  submit our design. But there is an error during DRC ERROR: no CHIPEDGE seen.We ask help for MOSIS technical support and they say:"CHIPEDGE is...

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How to setup C4 Flip Chip Pads/Bumps in Encounter

We are packaging our chip with a flip-chip package (and c4 flip chip bonds). We don't have any CLASS BUMP files all we have is CLASS PAD AREAIO for the LVDS drivers and regular drivers. We have...

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Multiple MinArea, No-Grid and Spacing Errors

Using Encounter 13.2Defined .capTbl, .tch, .lef files, defined timing and other settings in viewdefinition. Got the design placed and routed. Once I start checking the design with verifyGeometry I see...

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Cadence ELC not recognising SPECTRE format

Halo, I am using ELC to characterise a new standard cell library. I am using a SPECTRE .scs model file, but it seems that ELC is not recognising this file format correctly, as it complains about...

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Problem with ELC tool

I use ELC to characterize a standard cell library. I used SPECTRE simulator with TSMC model (target to Spectre). When I run ELC, there is a error message that apprears when db_spice command is run...

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ELC do not recognizing spectre format model file well

Hi, allI am doing std cell characterazation using ELC. And I use a model file from TSMC, it defines multiple sections for different processes and corner. At each section, it defines many parameters...

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Simulation of amplification circuit using ORCAD

Hi.I'm not sure if this is the correct forum. In case its not, please direct me to the direct one.Problem: I'm trying to simulate the amplication circuit in ORCAD using a AC power source and LM 566.I'm...

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Question regarding a SITE definition

Are SITE DEFINITIONS something what designer must re-write for every cell?Or it is something what I am supposed to receive from the foundry with the LEF file?How does it usually work out? thanks. 

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Connecting PMOS body to ground

Hi,I am using a kit which allows connecting PMOS body to ground. But once I am trying to connect them by globalNetConnect it generates short circuit error. Is there a way I can do that. Thanks 

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Mulitple AutoCTSRootPin - how CTS engine works

Hi    I need a clarification for the below issue. I have a 550k+ sinks for clk_sys. To get, better skew & insertion delay values. I found out the clock gating cells & mentioned those output as...

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TSMC 65nm GDS Import Problem

Hi there,I am using TSMC 65nm GP Standard Cell library in my design. After I finish P&R using encounter and export GDSII file, I am trying to import it to Virtuoso in order to have DRC/LVS using...

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