The Synopsys ICC (IC Compiler) User Guide is a foundational document for physical design engineers working on complex integrated circuits. ICC is a flagship place-and-route tool used for netlist-to-GDSII implementation, and its user guide provides comprehensive instructions on how to control the tool’s features.
Key Contents of the Guide:
How to Access the Official PDF: Since this document is copyrighted and proprietary to Synopsys (now part of the broader Synopsys EDA suite, though ICC has largely been succeeded by Fusion Compiler and IC Compiler II), the PDF is not legally available on public open-source platforms.
To obtain the genuine Synopsys ICC User Guide (in PDF format):
Official Synopsys SolvNet Portal (Recommended):
solvnet.synopsys.com.icc_ug.pdf.Through a Licensed Workstation:
<install_path>/doc/icc_ug/icc_ug.pdficc -doc to open a browser-based documentation index.Synopsys Learning Center:
Important Note on Version Compatibility:
Alternative (For Learning Only – Unofficial):
Summary Recommendation: If you have a valid Synopsys license, log into SolvNet. If you do not have access, contact your university or company's EDA administrator. The ICC User Guide PDF is a critical resource, but it is legally restricted to licensed users only.
The Synopsys IC Compiler (ICC) and its next-generation successor, IC Compiler II (ICC II)
, are industry-standard tools for physical design implementation, specializing in the "place and route" (P&R) phase of the ASIC design flow. Core Implementation Flow
The physical implementation process typically follows a sequential path to transform a synthesized netlist into a final GDSII layout: Design Setup & Initialization
: Importing the Verilog netlist, technology libraries, and timing constraints (SDC) into the ICC environment. Floorplanning & Power Planning
: Defining the chip boundaries, allocating area for macros, and creating the power network (PG rings and stripes).
: Automatically positioning standard cells within the floorplan rows while optimizing for area, timing, and congestion. Clock Tree Synthesis (CTS)
: Building a balanced clock distribution network to minimize skew and insertion delay across the design.
: Interconnecting pins using metal layers through global routing, track assignment, and detailed routing to fix design rule violations. Signoff & Verification
: Performing final timing analysis, Design Rule Checks (DRC), and Layout Versus Schematic (LVS) verification before tapeout. Key Features and Tools
Synopsys ICC Place & Route Tutorial | PDF | Computing - Scribd
Introduction
Synopsys ICC (Implementation, Characterization, and Constraint) is a comprehensive tool for designing and verifying digital integrated circuits. The ICC user guide PDF is a detailed manual that provides instructions on how to use the tool effectively. This report provides an overview of the Synopsys ICC user guide PDF, its contents, and key features.
Overview of Synopsys ICC
Synopsys ICC is a software tool used for designing, implementing, and verifying digital integrated circuits. It provides a comprehensive platform for designers to create, simulate, and analyze digital circuits. ICC supports a wide range of design flows, including synthesis, place-and-route, and verification.
Contents of Synopsys ICC User Guide PDF
The Synopsys ICC user guide PDF is a comprehensive manual that covers various aspects of the tool. The contents of the user guide include:
Key Features of Synopsys ICC
The Synopsys ICC tool offers several key features that make it a popular choice among designers:
Benefits of Using Synopsys ICC
The benefits of using Synopsys ICC include:
Conclusion
The Synopsys ICC user guide PDF is a comprehensive manual that provides instructions on how to use the ICC tool effectively. The ICC tool offers a comprehensive design flow, advanced synthesis and optimization techniques, and verification and analysis tools. The benefits of using ICC include improved productivity, increased accuracy, and better design quality. This report provides an overview of the Synopsys ICC user guide PDF and its contents, highlighting the key features and benefits of using the tool.
The Synopsys IC Compiler (ICC) and its successor, IC Compiler II (ICC II), are the industry-leading solutions for physical implementation, covering everything from design planning to final signoff. The user guides for these tools are essential for mastering the complex flows of place-and-route (P&R). 📘 Core Documentation Overview
Synopsys provides several specialized guides depending on your stage in the design flow. You can find detailed versions like the IC Compiler™ II Multivoltage User Guide to manage complex power domains or the IC Compiler™ II Design Planning User Guide for early-stage floorplanning and hierarchy management. Key Manuals for Your Flow
Implementation User Guide (iccug): The primary manual describing the overall P&R flow.
Command Reference Guide: Detailed Tcl syntax for all ICC2 Useful Commands, such as report_timing and place_opt.
Multivoltage Flow Guide: Focuses on IEEE 1801 (UPF) support for low-power designs.
Data Model Guide: Explains the library and block structure used to store design data. 🚀 The IC Compiler Implementation Flow
The user guide typically breaks down the physical design process into several manageable phases: 1. Design Initialization
Library Setup: Loading technology files (TLU+) and physical libraries. Netlist Import: Reading the gate-level Verilog netlist.
Constraints: Applying SDC (Synopsys Design Constraints) for timing goals. 2. Design Planning & Floorplanning Defining the core and die area boundaries.
Placing macros (SRAMs, IPs) and creating power/ground rings.
You can learn the basics of this in an IC Compiler 1 Workshop module. 3. Placement & Optimization
place_opt: Automatically places standard cells while optimizing for timing and congestion.
Legalization: Ensuring all cells align perfectly with the site rows. 4. Clock Tree Synthesis (CTS)
clock_opt: Building the clock buffer tree to minimize skew and insertion delay.
Post-CTS Optimization: Fixing hold time violations introduced by the new clock tree. 5. Routing
Global Routing: Planning the general path of wires to avoid congestion.
Detail Routing: Finalizing the metal traces using the Zroute engine to meet DRC (Design Rule Check) requirements. 🛠️ How to Access Official Guides
For the most up-to-date and authorized PDFs, you should use official channels:
SolvNetPlus: Synopsys' primary support portal. Registered users can access the Quick Guide to SolvNet to learn how to download the latest Synopsys Documentation.
man Pages: While in the icc_shell, you can type man for instant help on specific Tcl commands.
Learning Paths: Explore curated Synopsys Learning Journeys for structured training on IC Compiler II.
💡 Key Tip: Use the write_script command in ICC to export your current session's settings into a Tcl script. This is often more helpful for debugging than the general user guide alone!
Are you currently working on a flat or hierarchical design, and are there specific violations (like timing or DRC) you're trying to solve? I can help you find the specific commands or flow steps to address them.
To access the official Synopsys IC Compiler (ICC/ICC II) user guides and documentation, the primary and most reliable method is through the Synopsys SolvNetPlus portal. Due to licensing and proprietary restrictions, full official manuals are typically not hosted for public download outside of this secure customer environment.
Below is a breakdown of how to find these resources and common community-hosted alternatives: 1. Official Documentation (SolvNetPlus) synopsys icc user guide pdf
Authorized users can access a comprehensive library of manuals directly from Synopsys.
Access Requirements: You must have a registered company or university email and a valid license to log into SolvNetPlus. Available Guides:
IC Compiler II Design Planning User Guide: Covers hierarchical flows, floorplanning, and Tcl scripting.
IC Compiler II Timing Analysis User Guide: Details timing correlation and design closure.
Library Preparation User Guide: Instructions for creating and managing physical libraries. 2. Educational & Community Resources
For those without SolvNetPlus access, several repositories host tutorial versions and workshop labs that provide similar procedural information: Synopsys Documentation
This guide provides a foundational overview of the Synopsys IC Compiler (ICC) physical design flow based on standard industry tutorials and official documentation. 1. Environment & Setup
Before launching the tool, ensure your UNIX/Linux environment is correctly configured with the necessary technology libraries and design files.
Startup Commands: Launch the tool using icc_shell. To enable the graphical interface, use icc_shell -gui or type gui_start within the shell.
Library Creation: Create a Milkyway (or NDM for ICC II) design library to store your design data using the create_mw_lib command.
Data Import: Load your synthesized Verilog netlist (import_designs) and read the Design Constraints file (read_sdc) to define timing requirements. 2. The Physical Design Flow
The standard flow follows a sequential path from floorplanning to final verification:
Floorplanning (create_floorplan): Define the core area, aspect ratio, and I/O pin placement. This stage establishes the physical boundaries of your chip.
Power Planning: Create power and ground networks. Common commands include derive_pg_connection for logical connections and create_rectangular_rings / create_power_straps for the physical mesh.
Placement (place_opt): Automatically place standard cells within the core while optimizing for timing and congestion.
Clock Tree Synthesis (clock_opt): Build the clock distribution network to minimize skew and insertion delay.
Routing (route_opt): Perform global and detailed routing to connect all signals. This is often the most time-intensive step.
Filler Cell Insertion: Fill empty gaps between standard cells to ensure electrical continuity using insert_stdcell_filler. 3. Verification & Export
Once routing is complete, you must verify the design before signoff.
DRC & LVS: Check for Design Rule Violations (verify_drc) and verify that the layout matches the schematic (verify_lvs).
Timing Analysis: Use report_timing at various stages to ensure the design meets its slack requirements.
GDSII Export: Export the final layout for manufacturing using write_stream. Additional Resources
For full official manuals, users typically access the Synopsys SolvNetPlus portal or the local installation directory (e.g., [INSTALL_DIR]/doc/icc/iccug.pdf). You can also find detailed community-provided guides on platforms like Scribd and SlideShare. ICC Tutorial PDF | PDF | Science & Mathematics - Scribd
Introduction to IC Compiler
Synopsys IC Compiler (ICC) is a comprehensive place and route solution for designing and implementing integrated circuits (ICs). It provides a powerful and flexible environment for designing, optimizing, and verifying complex digital systems. ICC is widely used in the semiconductor industry for designing and implementing System-on-Chip (SoC) designs.
Key Features of IC Compiler
Basic ICC Workflow
The following are the basic steps involved in using ICC: Text: Synopsys ICC User Guide PDF The Synopsys
ICC User Interface
The ICC user interface provides various tools and menus to access different features and functions. The main components of the ICC user interface are:
Common ICC Commands
Here are some common ICC commands:
Tips and Best Practices
Here are some tips and best practices for using ICC:
Additional Resources
For more information on using ICC, refer to the following resources:
Essay: Navigating the Synopsys IC Compiler (ICC) Ecosystem The Synopsys IC Compiler (ICC) and its successor, IC Compiler II (ICC II), represent the industry standard for physical design and implementation in Very Large Scale Integration (VLSI). As modern System-on-Chip (SoC) designs grow exponentially in complexity, the IC Compiler User Guide serves as an essential roadmap for engineers to navigate the transition from a synthesized netlist to a production-ready GDSII layout. 1. The Core Physical Design Flow
The primary utility of ICC lies in its ability to execute a convergent, single-pass physical design flow. The user guide outlines three critical commands that drive the majority of the implementation process:
place_opt: Performs initial standard cell placement and simultaneous timing, area, and power optimization.
clock_opt: Executes Clock Tree Synthesis (CTS), which balances clock delays across the chip to minimize skew and ensure signal integrity.
route_opt: Manages global and detailed routing while performing final post-route optimizations to fix design rule violations and timing bottlenecks. 2. Advanced Features and Methodology
Modern versions like IC Compiler II are architected to handle massive designs with over 500 million instances using a highly scalable data model. Key methodologies detailed in the documentation include:
Design Planning and Floorplanning: Crucial for hierarchical designs where a flat layout is no longer feasible due to memory and runtime constraints.
Concurrent Clock and Data (CCD): An optimization engine that simultaneously analyzes clock and data paths to meet aggressive performance targets while minimizing the power footprint.
Signoff-Driven Closure: Integration with PrimeTime allows for golden-accuracy delay calculation directly within the ICC environment, significantly reducing the number of Engineering Change Order (ECO) iterations. 3. Practical Usage and Scripting
While ICC provides a robust Graphical User Interface (GUI) for navigating layouts and querying design objects, professional design environments rely heavily on the Tool Command Language (Tcl). The user guide emphasizes the importance of scripting to guarantee consistency across complex runs that can take hours or days to complete. Engineers use the icc_shell to execute these scripts, enabling automated design import, power grid creation, and final verification checks like Design Rule Checking (DRC) and Layout Versus Schematic (LVS). Devipriya1921/VSDBabySoC_ICC2 - GitHub
Synopsys IC Compiler (ICC) and its successor, IC Compiler II (ICC II)
, are industry-leading place-and-route solutions used for physical implementation in digital design. Because these tools are proprietary, their official user guides are generally available only to licensed customers through the Synopsys SolvNetPlus
Below is a technical overview based on the structure and content typically found in Synopsys ICC/ICC II user documentation. 1. Document Scope and Core Modules
The user guide is typically divided into several specialized volumes to cover the complex stages of physical implementation: IC Compiler 1 Workshop
Synopsys IC Compiler (ICC) user guides provide the foundational framework for physical design, covering the transition from a synthesized gate-level netlist to a final GDSII layout. The documentation is typically structured into specialized guides for data setup, design planning, timing analysis, and library preparation. Core Stages of the ICC Flow Based on standard user guides and IC Compiler workshop materials
, the tool follows a sequential physical implementation flow:
Synopsys ICC Place & Route Tutorial | PDF | Computing - Scribd
Most people run place_opt and clock_opt blindly. The User Guide has a flowchart showing exactly when to use -incremental to save runtime.
For any ASIC design engineer, Synopsys IC Compiler (ICC) is the industry-standard place-and-route tool. However, finding the specific information you need can be daunting. A simple search for "Synopsys ICC User Guide PDF" often returns a wall of version numbers (ICC 2009, ICC 2015, ICCII) and thousands of pages of documentation.
This article serves as a guide to the guides. It will help you identify the right manual for your needs, navigate the PDF efficiently, and understand the standard design flow described within the documentation. How to Access the Official PDF: Since this
Because ICC is a mature tool (the last major releases were in the L-2016.03 to 2018.06-SP range), the community support found on forums like Reddit or Stack Exchange is dwindling. Synopsys's official SolvNetPlus remains the primary resource, but navigating it requires a support contract.
However, the Synopsys ICC User Guide PDF remains relevant for three key reasons: