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  • Analog Design
    • Latest Analog Layout Interview Questions (2025)
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    • Physical Design Interview Questions for VLSI Engineers
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VLSI Design

What is the difference between DRV(Design Rule Violations) and DRC(Design rule check) in VLSI ?

By siliconvlsiJanuary 12, 20220

Difference between DRV(Design Rule Violations) and DRC(Design rule check): DRV(Design Rule Violations) and DRC(Design rule check) are the terms used…

VLSI Design

Layout Design Rules – (DRC)

By siliconvlsiJanuary 12, 20220

 Layout Design Rules – (DRC) DRC helps to check is an essential part of the physical design flow and ensures…

VLSI Design

What is a soft check or a stamping conflict at LVS?

By siliconvlsiJanuary 12, 20220

Soft check or a Stamping conflict at LVS? Soft check or  Stamping conflict Error comes under ERC check. Soft Connect is…

Digital Design

Why their is always contact(via0) in between diffusion or poly and metal ? why not via1,via2,via3 ?

By siliconvlsiJanuary 12, 20220

We used Contact(via0) in between diffusion and poly Because contact(via0) is made with tungsten filament while via1,via2, and via3 are made…

VLSI Design

What is the role of ERC in VLSI?

By siliconvlsiJanuary 12, 20220

What is the role of ERC in VLSI? ERC stands for Electrical Rule Check. It checks all possibilities of Electrical connection…

VLSI Design

What Is Double Patterning in VLSI?

By siliconvlsiJanuary 10, 20220

What Is Double Patterning in VLSI? “To achieve higher density and better resolution in layout, we used double patterning” Double…

Analog Design

Why we need Sense amplifiers and Precharge Circuit?

By siliconvlsiJanuary 10, 20220

Sense amplifiers Sense amplifiers play a major role in memory circuits and they provide performance speed-up while reducing power dissipation.  …

VLSI Design

Why we extend poly over the diffusion?

By siliconvlsiJanuary 10, 20220

We extend Poly from the diffusion to avoid the short circuit between the source and drain during fabrication. During the…

VLSI Design

What is the exact difference between port and pin in VLSI ?

By siliconvlsiJanuary 9, 20220

The following figure may get a clear idea about which is the pin and which is the port. A pin…

Digital Design

What is a Stick Diagram In VLSI?

By siliconvlsiJanuary 9, 20220

What is a Stick Diagram In VLSI? A stick diagram is a diagrammatic representation of a chip layout that helps…

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