Design your own chip with free tools Design your chip with free tools 56-page guide + ready-to-run kit · Windows & Mac
New videoKnow Your Inputs Ep 1: 6 PD Input Files Explained.Watch now →

Physical design, explained the way it is done on the job

Free learning paths from Verilog and RTL design to signoff, real tool commands, and 1109 interview questions, written by a working senior physical design engineer.

All eight PDF collections, 84 chapters, in one pack: see the complete library pack

pdVerse Hub Learning pathsFree · no login
Physical Design, from floorplan to signoff
Lessons in this path47
# every lesson pairs the idea with the real command
place_opt_design
ccopt_design
report_timing -max_paths 10 -nworst 1
Open Physical Design →

Knowledge hub

The whole chip-design stack, in one map

29 topics from essentials to packaging. Open ones are free to read today; the rest are on the way.

Essentials

Front-end

Back-end

Specialized

Tools & Career

Architecture & Modeling

  • CPU / GPU / SoC ArchitectureSoon
  • Power & Performance ModelingSoon

Chip Design

Post-silicon

  • Validation & Bring-upSoon
  • Test & Product EngineeringSoon
  • Characterization & ReliabilitySoon

Manufacturing

Packaging & System

  • Advanced Packaging (2.5D / 3D)Soon
  • SI / PI & ThermalSoon
Browse the full knowledge hub →

Why pdVerse

VLSI is complicated, but learning it does not need to be scattered. With pdVerse, every topic from RTL to GDS sits in one place, explained step by step, with the commands you will actually type.

1109Interview questions with answers
17Topics open to read today
₹0To read any lesson online

What you get

01

Learning paths, start to finish

Each path is a numbered list of lessons you read in order, from Digital Electronics and Verilog through RTL & Logic Design, Synthesis, Physical Design, STA and Low Power. Every lesson explains the idea first, then shows the command or code that does it.

See every learning path →
Newest open paths
  • RTL & Logic Design12 lessons
  • Analog & Mixed-Signal10 lessons
  • Custom & Memory Design10 lessons
  • CAD & Methodology10 lessons
02

1109 free Physical Design interview questions with answers.

PnR, STA, MMMC and Low Power answers are readable now, each with the reasoning an interviewer is listening for. No login or payment is required.

Topic guides: Setup & hold · OCV, POCV & CRPR · PnR & inputs · MMMC signoff · UPF & low power

STABeginnerTiming fundamentals
What is a hold check, and what is hold time?
Hold enforces the fastest a path is allowed to be, which is the opposite direction from setup. The clock period never appears in the hold equation: hold compares the same clock edge to itself.
Short answer, diagram, common mistake and a follow-up question.
31 min

New video · Know Your Inputs Ep 1

Know Your Inputs: The 6 Files Every Physical Design Flow Starts With

Netlist, SDC, Liberty, tech LEF, cell LEF and MMMC explained line by line on a small demo design: what the PnR tool reads and why each line matters.

Choose a collection to explore.

Each library is a set of existing PDF chapters and mentor guides. Open the collection page to preview samples or buy a chapter. Or get all eight paid collections together in the complete library pack.

All eight paid collections in one pack.

84 existing chapters and mentor guides. This is the eight catalog bundles together, not a new course.

Buy separately as bundles

₹1,392 ₹1,237

Complete-library pack. Saves ₹155 (11%) versus buying every bundle.

Lifetime access, instant delivery, and a refund policy

View Complete Library details page

Move from domain knowledge to signoff ownership.

Build low-power depth, then master physical verification, timing, reliability, correlation, and tapeout evidence through the Signoff Academy.

DP

Design Planning

14-chapter mentor-led handbook to VLSI hierarchical design planning, floorplanning, partitioning, power mesh, clock trunks, and timing budgeting.

  • 14 complete interactive chapters
  • Timing budgeting, clock planning, area estimation, macro placement & power mesh
  • 199 vector architecture figures & verified physical design recipes
Open Design Planning
PF

PnR Flow Mentor Guide

8-chapter ICC2 Implementation Mentor Guide carrying one Nimbus-8 design from placement through clock tree synthesis, routing, chip finishing, hierarchical implementation, and ECO signoff.

  • 693 pages, 146 vector figures across 8 chapters
  • Placement, CTS, routing/postroute optimization, chip finishing & DFM
  • Hierarchical implementation and the PrimeTime ECO signoff loop
Open PnR Mentor Guide
LP

Low Power Library

Build practical low-power physical design knowledge from power architecture and UPF authoring through implementation, verification, and multivoltage signoff.

  • 9 Basics chapters plus an 11-chapter tool guide
  • Power domains, isolation, level shifting and retention
  • UPF authoring and multivoltage signoff
Open Low Power Library
SA

Signoff Academy

Physical verification and ASIC signoff mentor guides built from the supplied source PDFs, covering the flow from final implementation to tapeout evidence.

  • 13 source-verified mentor guides
  • DRC, LVS, ERC, antenna, fill & extraction
  • STA/SI, CLP, EM/IR, LEC & handoff
Open Signoff Academy
IN

Innovus place and route

Cadence Innovus PnR Qualification Handbook

Free to read online, PDFs 199 rupees

A stage by stage qualification handbook for Innovus place and route, in 16 chapters from tool and session qualification and design import through floorplan, placement, clock tree, routing, optimisation, extraction and signoff handoff. Each chapter says what to check before you start the stage, what to run, how to read the report, and what counts as healthy, suspicious or a hard stop, so you can decide whether a run is fit to move on instead of only whether the tool finished. It includes a sanity check sheet and a command sheet for every stage, and 486 command forms.

Read every chapter free on the site. The paid download gives you two PDFs for 199 rupees: the 290-page handbook and an 83-page cheat sheet book.

Read free

Legacy commands are checked against the vendor reference. Nothing in the book claims a command was run on a live design. Example output is synthetic and thresholds are illustrative.

PT

Synopsys PrimeTime static timing analysis

PrimeTime Guide

Free to read online, PDFs 199 rupees

A 17-chapter PrimeTime mentor guide covering reading and linking a design, constraints, clocks, timing paths and exceptions, operating conditions, delay calculation, back-annotation, case and mode analysis, variation, multivoltage design, SMVA, signal integrity, advanced analysis, constraint consistency, reporting and debugging, the ECO flow, and using PrimeTime with Design Compiler.

Read every chapter free on the site. The paid Offline Edition gives you the 17 original chapter PDFs for 199 rupees.

Read free

Synopsys and PrimeTime are trademarks of Synopsys, Inc. pdVerse is an independent educational resource and is not affiliated with or endorsed by Synopsys.

IP

Innovus PNR Mentor Guide

9-chapter mentor guide to Innovus place and route, from session and environment setup through design data import, floorplanning, power planning, placement, CTS, routing, chip finishing, and signoff ECO closure. Free to read online, no login required.

  • Chapters 1-8: web chapter plus matching PDF, with vector figures
  • Chapter 9: Signoff Preparation and Timing ECO Closure (handbook edition PDF)
  • Every individual chapter PDF opens in the browser and downloads for free

Read every chapter free on the site. The paid offline bundle gives you all 9 chapter PDFs in one ZIP for 199 rupees.

Read free

Free Technical Interview Preparation

Master VLSI Physical Design Interview Reasoning

Practice 1109 free, source-grounded interview questions with detailed explanations, physical mechanisms, and signoff verification. No login required.

Practitioner-led content, 9+ years of experience

Crafted by a 9+ Years VLSI Physical Design Veteran

Handbooks and interview answers come from ASIC physical design, timing closure, PrimeTime signoff and SDC work at advanced nodes. About the author

What readers say

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Got Questions?

Frequently Asked Questions

Everything you need to know about pdVerse VLSI Physical Design guides.

Yes. The complete library pack is all eight paid collections (STA, Timing Constraints, MMMC, Low Power Basics, Low Power Tool Guide, Signoff Academy, Design Planning, and the PnR Flow Mentor Guide) for ₹1,237. That is 84 existing chapters and mentor guides, not a new course.
All guides are delivered in clean, high-resolution PDF format. You can read them on laptops, tablets, or mobile devices, or print them for offline study.
Yes! Each chapter in the STA library contains a dedicated interview Q&A section covering beginner to expert questions on setup/hold, OCV, crosstalk, and PrimeTime report analysis.
The guides focus on industry-standard concepts and Synopsys PrimeTime / SDC syntax, making them directly applicable to tools like PrimeTime, Innovus, Tempus, and Design Compiler. See the STA handbook and SDC constraints handbook.
Yes, once you download or bookmark a guide, you have lifetime access to the content and any future revisions.

Start with lesson 1. It is free.