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Recent content by tweethy

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    Equation to calculate the amount of decoupling capacitance required

    Hi, Can anybody please tell me the equation to calculate the decoupling capacitance required in a design?
  2. T

    NSD Layer in CMOS devices

    What is an NSD layer in CMOS devices? Why is is it used? When I run a DRC, I am getting the following violation. NSD Space NSD < 0.350 . What does this mean?
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    Disparity between power and ground currents in dynamic IR analysis

    I am doing a VCD based Dynamic IR analysis. In the results I find that the ground net current (VSS) loaded is much less than the power net currents combined (VDD). This happens only for vector based analysis..In vectorless analysis VDD and VSS currents are comparable. What could be the possible...
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    Physical representation of transistor working as amplifier

    Can somebody please point me to some links where the working of transistor as an amplifier has been shown clearly..i mean i terms of n-p-n semiconductors and flow of electrons and holes, instead of just representing the transistor using symbol and showing the biasing resistors ?
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    Viewing reg-reg paths in IC Compiler

    How can I view a reg to reg path in IC Compiler GUI?
  6. T

    Saturation current in a MOSFET

    Why does current flow through a MOSFET even after channel is pinched off?
  7. T

    Number of ground pads used in a design

    Why is it that no:of ground pads used in a design are roughly 10% more than the no:of power pads?
  8. T

    Command for finding the coordinates of a macro in Encounter

    Is there any command in Encounter to get the coordinates of a macro?..I am writing a script in which i need the coordinates of all the macros.
  9. T

    Number of ground pad sand power pads

    Are the no:of power pads and ground pads in a design equal?If not,why?.
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    Setting x,y coordinates in I/O assignment file

    How do we assign the x,y coordinates in an I/O assignment file in encounter?..Which corner of the design do we take as the origin to calculate the location of the I/O pad?
  11. T

    Different types of vias

    What is the difference between multiple vias,array of vias and redundant vias?
  12. T

    Sign off tool for physical verification

    which is not a signoff tool for physical verification. *a. caliber b. Hercules c. Assura
  13. T

    Design Rule Constraints

    oh k..thank you very much

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