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Recent content by googler123

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    Detailed steps of Timing Optimization for STA Engineer

    Re: [STA] Timing Optimization Thanks,,www.semicic.com
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    internal_power in .lib file.

    Thanks a lot !
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    internal_power in .lib file.

    Good Day , Could you upload them? BR Thanks.
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    internal_power in .lib file.

    Hi All, I use the NCX to generate a .lib file for some standard cells. But I am not sure How to make sure the .lib file is correct? And also ,I confused on internal_power sections.Some of them are "-" nd some of them are "+". How can give me explanation? Here is some of them: cell...
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    How to fix the "setup and hold time " in DC flows.

    Thanks, But Could you give me more information? How to fix the setup time violations in DC Synthesis ?Maybe ,wish you share a handbook or a example . I am a fledgling... BR Thanks. ---------- Post added at 20:37 ---------- Previous post was at 20:35 ---------- Thanks, But Could you give...
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    How to fix the "setup and hold time " in DC flows.

    Hi All, How to fix the "setup and hold time violations" in DC flows. And How to optimize the designs using the DC ? BR Thanks,
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    lib2db---Warning. Please take a look at it.

    I am using the Design Compile to convert XXX.lib 2 XXX.db. But there are many warnings ,,here is it.. Warning: Line 211468, Cell 'XOR3X4', pin 'Y', The 'values' attribute has a '-0.089602' value, which is less than '0.000000' the minimum recommended value of this attribute. (LBDB-272)...
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    How to calculate the Stdcell's driven capability??

    Hi ALL, How to calculate the Stdcell's driven capability and the Fanout numbers?? Please give an example. Thanks.
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    How to do a good floor plan and power stripes with blocks??

    Hi yadavvlsi, But I still wish u can give some more info about the step of adding stripes with breaking the stripes. Thanks. ---------- Post added at 13:32 ---------- Previous post was at 13:30 ---------- Hi yadavvlsi, But I still wish u can give some more info about the step of adding...
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    How to do a good floor plan and power stripes with blocks??

    thanks,,,Please help me again.
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    How to do a good floor plan and power stripes with blocks??

    Hi , Yeah....that's real a wide rang questions ,so sorry. whatever,thanks for your review. But,I still meet some trouble with the "add the strips". here are pics, 1.the encounter_labs: 2.test for adding strips. Q1:How to break all the stripes?? Some of them through the...
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    How to do a good floor plan and power stripes with blocks??

    Hi All, I refer the cadence workshops and the document said the stripes would be added by 'The Synthesize Power Plan' ( Power -> Power Planning -> Synthesize Power Plan ) . So why not use the power---->>Power Planning-->>add stripes??? ,,,,,,,,,,Confused , If I directly used the...
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    Standcell development.

    OK,, Get it.. Thanks.
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    Standcell development.

    Dear Oveis I only have layouts,, missing schematics.and I would like to draw the schematics andha run LVS. For LEF files, maybe I will generate by myself.but I donot know how to genrate the .lib and spice netlists. Liberty file (.lib) use NCX? Could you give some suggestions? Thanks and...
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    Standcell development.

    thanks, I have a standcells and I want to know the following things. 1.for example:NAND I noticed they have several sizes type.such as N=1u/0.18,P=2u/0.18 or N=2u/0.18,P=4u/0.18. How to define the sizes?? Just think about the min Length? 2.All the cells are the same H and...
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