- When doing layout for digital circuits what are the design techniques one should follow?
- What is the purpose of DRC?
- What is LVS and why do we do that?
- What is the difference between LVS and DRC?
- Draw the layout the 3 input NAND gate.
- What is transistor sizing? Where we use it? Why is it important?
- Draw the cross section of an inverter and show all the capacitances on it and reason for those capacitances?
- Describe the latch-up effect.
- What are tri-state buffers?
- What will be the voltage at the output node of a tri-state buffer in its high impedance state? Draw input and output waveform.
- What is charge sharing?
- What is electron migration effect and explain methods to avoid it.
- What is dynamic logic?
- Draw the 6 transistor SRAM cell. Explain how the reading and writing is done in it?
- Explain about trip point.
- What is the effect of increase in the number of contacts and vias in the interconnect layers?
- How does the resistance of the metal layer vary with increasing thickness and increasing length?
- If the current thru the poly is 20nA and the contact can take a max current of 10nA how would u overcome the problem?
- Who provides the DRC rules?
Layout Inerview Questions
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it would be great if you can provide the answers too
ReplyDeleteThanks for the collection of questions