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Recent content by knack

  1. K

    Writing Synopsys IC-V decks?

    Hello guys, Anyone has any training materials or manuals that can help me writing IC-V DRC/LVS decks for advanced nodes? Thank you! Knack
  2. K

    Rules for contact redundancy when drawing the layout using CMOS process

    Re: contact redundancy What margin do you mean? MT enclosure? Or MT to via surrounding MT spacing? Or both? I've a situation that there's no room to add second via beside exiting one unless if you extended metals (via spacing + via enc + mt spacing rules should be met all).. Although via's...
  3. K

    Ddd vias doesn't violate DRC (MT spacing and ENC)

    Gents- I have a BIG design with so many single vias.. I had a script that adds redundant vias when possible such that add vias doesn't violate DRC (MT spacing and ENC) Nevertheless, there're regions that couldn't be fixed, surrounded by a close metal lines (Mx, Mx+1 or both) that is followed...
  4. K

    How to Link Calibre LVS to Assura QRC?

    Hi, Anybody experienced in BE verification can help me regarding how to link Calibre LVS to Assura QRC? What are the documents talking about that point in particular? I have slight information about CCI output from Calibre LVS which is a format that is somehow fed to QRC. But I need some extra...
  5. K

    How do you capture your simulation results neatly??

    Hi all, I wonder if one of you have a simple way to capture neat figures from Cadence simulation results (AWD waveform tool) ?? Also, regarding schematic capture, how can un-display all data of MOS transistors unless W and L? Or in general, how can i hide unwanted parameter from component on...
  6. K

    when do we need to use CMFB?

    Sorry, I couldn't get what you said. Please give more explanation, Cheers, --Knack
  7. K

    when do we need to use CMFB?

    Hi there, When designing a Diff. Pair amp., when should one use a CMFB ? Thanks, --Knack
  8. K

    How to fix Density errors in DRC?

    drc poly density Hi, What's the best way to correct "Density" errors got from running DRC on certain layout? What let them come originally? i.e. What's their important in reality?? Thanks, Cheers, --Knack
  9. K

    VHDL-AMS basic syntax question

    Hi there, I have a question that i think basic; in VHDL-AMS what's the difference between TERMINAL, PORT, and SIGNAL assignment? When should I use ELECTRICAL attribute and when should I use INOUT and so on? This confuses me a lot!!! Say what, can anybody give me a quick tutorial or reference...
  10. K

    What is the max. allowed values of R, L, and C on chip??

    FThank you all, But it seems that you still didn't get what i want to know.. From your replies, if i don't know, i may go to use a 1µF on Chip cap and 1MΩ resistor!!!!!!!!!! I want numeric typical values :D Thanks Cheers, -- Knack
  11. K

    What's the fab design kit you prefere ?

    I feel that SMIC is almost TSMC!! People who used them both may agree with me :)
  12. K

    What's the fab design kit you prefere ?

    Well, 3 votes out of 30 viewers is not bad (10%)! But i wonder, why don't ppl like to participate???!!!! --Knack
  13. K

    What should I simulate in VCO to characterize it??

    Hi hadi20 :) Thank you for your nice prompt reply :) Do you have some books/papers regarding VCO robus design for the selected range? Another thing, regarding VCO biasing, we're a team of 7 undergraduates, on of us will take biasing of other blocks... what does this mean? will that guy provide...
  14. K

    What is the max. allowed values of R, L, and C on chip??

    Hi, In design of a complete PLL on chip using 130nm technology, what's the maximum/minum allowed values of on-chip resistors, capacitors, and inductors (R,C, and L).. Also, is there some tricky ways to override these values (e.g. MOS resistor and capacitor rather than poly R and MIM cap...

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