Aim

This section outlines the purpose of Lab Module 5, focusing on post-layout verification and simulation in VLSI design.

Theory

This section explores the crucial steps in post-layout verification in VLSI design, focusing on parasitic extraction, LVS verification, and post-layout simulation.

Parasitic Extraction: Quantifying The Unintended

This section explores the concept of parasitic extraction in VLSI design, emphasizing its importance in accurately modeling the electrical performance of circuits.

Layout Versus Schematic (Lvs) Verification: The Fidelity Check

This section summarizes the critical process of Layout Versus Schematic (LVS) verification, explaining its role in confirming that the physical layout of a circuit accurately represents its schematic design.

Post-Layout Simulation (Extracted Simulation): Performance With Reality

This section covers the significance of post-layout simulation in VLSI design, emphasizing the role of parasitic extraction and its impact on circuit performance.

Impact Of Parasitics On Performance Metrics

This section discusses how parasitic components like resistance and capacitance influence critical performance metrics such as propagation delay and power dissipation in VLSI design.

Pre-Lab Questions

This section outlines essential pre-lab questions that students must answer before starting the lab on Layout Versus Schematic verification and post-layout simulation.

Procedure

This section outlines the comprehensive steps involved in performing parasitic extraction, LVS verification, and post-layout simulation to ensure accurate VLSI circuit design.

Assumptions

This section covers the prerequisites assumed for students before they begin Lab Module 5, focusing on VLSI design, parasitic extraction, and other essential concepts.

Part A: Comprehensive Parasitic Extraction

This section provides insights into the process of parasitic extraction in VLSI design, emphasizing its importance in post-layout verification and performance analysis.

Open Layout View

This section provides an overview of the essential post-layout verification steps in VLSI design, focusing on parasitic extraction and Layout Versus Schematic (LVS) verification.

Launch Extraction Tool

This section covers the essential steps to launch the extraction tool for parasitic extraction in VLSI design and highlights its significance in post-layout verification.

Configure Detailed Extraction Settings

This section describes the detailed settings needed for configuring parasitic extraction in a VLSI design environment, emphasizing parameters crucial for accurate extraction results.

Run Extraction

This section focuses on the process of parasitic extraction in digital VLSI design, detailing how to effectively verify and simulate circuit layouts against schematics.

Examine Extracted Netlist (Crucial Step For Understanding)

This section covers the critical process of examining the extracted netlist, which includes the original device parameters and newly added parasitics, vital for understanding circuit performance.

Part B: Rigorous Layout Versus Schematic (Lvs) Verification

This section covers the critical steps of Layout Versus Schematic (LVS) verification and post-layout simulation in the VLSI design flow.

Launch Lvs Tool

This section explains the process of utilizing the Layout Versus Schematic (LVS) tool for verifying the integrity of VLSI designs.

Specify Input Files For Comparison

This section focuses on the critical processes of parasitic extraction, LVS verification, and post-layout simulation in VLSI design.

Configure Lvs Options (Detailed)

This section covers the process of configuring LVS options, focusing on the critical steps involved in verification to ensure that the physical layout corresponds accurately with the schematic.

Run Lvs

This section addresses the critical post-layout verification steps, specifically focusing on Layout Versus Schematic (LVS) verification to ensure design accuracy.

In-Depth Analysis Of The Lvs Report (Critical Debugging Skill)

This section emphasizes the importance of LVS (Layout Versus Schematic) verification in IC design to ensure the physical layout matches the intended schematic, focusing on critical debugging skills.

Part C: Post-Layout (Extracted) Transient Simulation

This section covers the critical steps of post-layout transient simulation, focusing on extracting parasitics from the layout and verifying the performance of VLSI designs.

Create/modify Simulation Testbench

This section covers the creation and modification of a simulation testbench for extracted netlists in VLSI design, focusing on incorporating parasitics to improve accuracy in performance evaluation.

Run Post-Layout Simulation

This section details the importance and process of running post-layout simulations to assess the impact of parasitic elements on circuit performance in VLSI design.

Plot Waveforms

This section focuses on the verification and simulation of VLSI designs, highlighting parasitic elements and their impact on circuit performance.

Part D: Comprehensive Comparison And Analysis

This section focuses on the critical steps involved in post-layout verification, specifically the layout versus schematic (LVS) verification and the analysis of performance metrics impacted by parasitic elements.

Retrieve Pre-Layout Simulation Results

This section covers the retrieval of simulation results from pre-layout transient simulations and emphasizes comparing these results with post-layout simulations to understand the impact of parasitics.

Overlay And Visual Comparison

This section covers the importance of overlay and visual comparison in the post-layout verification process of VLSI design, particularly emphasizing the roles of parasitic extraction and LVS verification.

Precise Delay Measurements

This section focuses on the critical process of delay measurement in VLSI design, emphasizing the impact of parasitic elements on circuit performance.

Detailed Power Dissipation Analysis (Post-Layout)

This section outlines the significance of power dissipation analysis following the extraction of parasitic components in VLSI design.

Observation/results

This section covers the crucial steps of post-layout verification, including parasitic extraction, Layout Versus Schematic (LVS) verification, and post-layout simulation, highlighting their significance in assessing circuit performance.

Analysis And Discussion

This section covers the essentials of post-layout verification in digital VLSI design, focusing on parasitic extraction, Layout Versus Schematic (LVS) verification, and post-layout simulation.

Post-Lab Questions

This section focuses on post-lab questions designed to deepen understanding of concepts covered in the lab module on Layout Versus Schematic (LVS) Verification and Post-Layout Simulation.