127Total chapters
22Modules
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Built for EDA tool flows
Every command, every script, every example is anchored in a real synthesis / STA / PD / verification task — get_cells, set_false_path, report_constraint, MCMM driver loops. No generic Tcl content.
Interview-ready depth
Tiered interview module plus per-chapter interview weighting — braces vs quotes, collections vs lists, SDC semantics, MCMM patterns, and the EDA-tool-automation questions actually asked at Synopsys, Cadence, Intel, and NVIDIA.
Script → constrain → sign-off
From the Tcl-as-command mental model to SDC constraint generators, multi-corner STA drivers, violation extractors, and PD report collectors — the full Tcl engineering loop every synthesis / STA / PD engineer owns.
Tcl Complete Curriculum
Your Learning Roadmap
127 chapters · 22 modules — EDA workflows — synthesis scripting, STA flows, SDC constraints, collections, report parsing, MCMM, and physical-design automation.
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Module 1
Why Tcl Matters in VLSI
1.1Why EDA Tools Use TclPlanned1.2Tcl in the Semiconductor FlowPlanned1.3Tcl vs Bash vs PythonPlanned1.4Interactive Tcl Shell vs Script ModePlanned
Module 2
Tcl Language Fundamentals
2.1Tcl Command Mental ModelPlanned2.2VariablesPlanned2.3Command SubstitutionPlanned2.4Braces vs QuotesPlanned2.5ListsPlanned2.6DictionariesPlanned
Module 3
Tcl Control Flow
3.1if/elseif/elsePlanned3.2foreach LoopsPlanned3.3for LoopsPlanned3.4while LoopsPlanned3.5switch StatementsPlanned
Module 4
Tcl Procedures and Reuse
4.1proc BasicsPlanned4.2ArgumentsPlanned4.3Default ArgumentsPlanned4.4Return ValuesPlanned4.5Reusable EDA HelpersPlanned
Module 5
File and Path Handling
5.1Reading FilesPlanned5.2Writing FilesPlanned5.3glob for RTL FilesPlanned5.4File NormalizationPlanned5.5Creating Reports DirectoriesPlanned
Module 6
String and Regex Processing
6.1String CommandsPlanned6.2regexpPlanned6.3regsubPlanned6.4Extracting Module NamesPlanned6.5Cleaning Tool OutputPlanned
Module 7
Tcl Collections in EDA Tools
7.1What Are EDA CollectionsPlanned7.2Lists vs CollectionsPlanned7.3get_portsPlanned7.4get_pinsPlanned7.5get_cellsPlanned7.6get_netsPlanned7.7Filtering CollectionsPlanned
Module 8
SDC Fundamentals with Tcl
8.1Why SDC ExistsPlanned8.2Creating ClocksPlanned8.3Input DelaysPlanned8.4Output DelaysPlanned8.5False PathsPlanned8.6Multicycle PathsPlanned8.7Clock GroupsPlanned
Module 9
Synthesis Scripting
9.1Synthesis Flow Mental ModelPlanned9.2Read RTLPlanned9.3Read LibrariesPlanned9.4Elaborate / LinkPlanned9.5Apply ConstraintsPlanned9.6CompilePlanned9.7Generate ReportsPlanned9.8Write NetlistPlanned
Module 10
STA Scripting
10.1STA Tool SetupPlanned10.2Read NetlistPlanned10.3Read LibrariesPlanned10.4Read SDCPlanned10.5Update TimingPlanned10.6Report TimingPlanned10.7Report ViolationsPlanned10.8Multi-Corner TimingPlanned
Module 11
Physical Design Tcl Flows
11.1Floorplan AutomationPlanned11.2Power Planning CommandsPlanned11.3Placement ReportsPlanned11.4CTS ReportsPlanned11.5Routing ReportsPlanned11.6ECO ScriptingPlanned
Module 12
Report Generation and Parsing
12.1Timing Report ParsingPlanned12.2Area Report ParsingPlanned12.3Power Report ParsingPlanned12.4Violation Summary ExtractionPlanned12.5Creating CSV SummariesPlanned
Module 13
Tool Automation Patterns
13.1Batch Mode ScriptsPlanned13.2Interactive Debug HelpersPlanned13.3Reusable Setup ScriptsPlanned13.4Common VariablesPlanned13.5Tool-Agnostic Flow StructurePlanned13.6Logging and Runtime TrackingPlanned
Module 14
Multi-Corner Multi-Mode Flows
14.1Why MCMM ExistsPlanned14.2ModesPlanned14.3CornersPlanned14.4ScenariosPlanned14.5Iterating Over CornersPlanned14.6Reporting Per ScenarioPlanned
Module 15
Design Database Querying
15.1Querying HierarchyPlanned15.2Finding ClocksPlanned15.3Finding Unconnected PortsPlanned15.4Finding High-Fanout NetsPlanned15.5Finding Cells by PatternPlanned
Module 16
Debugging Tcl Scripts
16.1Common Tcl ErrorsPlanned16.2Quoting BugsPlanned16.3Empty CollectionsPlanned16.4Variable Scope IssuesPlanned16.5Debug PrintsPlanned16.6Defensive ChecksPlanned
Module 17
Tcl for Verification Flows
17.1Simulator Tcl CommandsPlanned17.2Questa/ModelSim do FilesPlanned17.3Waveform Setup ScriptsPlanned17.4Batch Simulation ScriptsPlanned17.5Regression HelpersPlanned
Module 18
Tcl with Bash, Make, and Python
18.1Bash Launches TclPlanned18.2Make Targets Call TclPlanned18.3Python Parses Tcl ReportsPlanned18.4Flow PartitioningPlanned
Module 19
Industry Case Studies
19.1Synthesis Run ScriptPlanned19.2STA Signoff Report ScriptPlanned19.3SDC Constraint GeneratorPlanned19.4Timing Violation ExtractorPlanned19.5Physical Design Report CollectorPlanned19.6Questa Waveform Setup ScriptPlanned
Module 20
Tcl Interview Mastery for VLSI
20.1Beginner QuestionsPlanned20.2Intermediate QuestionsPlanned20.3Advanced QuestionsPlanned20.4STA/Synthesis Scripting QuestionsPlanned20.5Debugging QuestionsPlanned
Module 21
Tcl Design Review Checklist
21.1Script Safety ChecklistPlanned21.2SDC ChecklistPlanned21.3Synthesis Flow ChecklistPlanned21.4STA Flow ChecklistPlanned21.5Report Parsing ChecklistPlanned21.6Debug ChecklistPlanned21.7Interview ChecklistPlanned
Module 22
Tcl Misconceptions VLSI Engineers Have
22.1Tcl Is Only an Old Scripting LanguagePlanned22.2Braces and Quotes Behave the SamePlanned22.3EDA Collections Are Normal Tcl ListsPlanned22.4report_timing Output Is Enough Without AutomationPlanned22.5SDC Is Separate from TclPlanned22.6GUI Flows Do Not Need Tcl KnowledgePlanned