Contain geometric information (LEF/FRAM views) required for placement and routing. 2. Design Constraints (SDC)
The is more than just a manual; it is the compiled knowledge of decades of physical design research. As the industry moves toward AI-driven place-and-route tools, the manual remains a testament to the complex, deterministic logic that drives semiconductor manufacturing.
Using global routing to check for congestion before placement. 3. Placement
At its core, the "Synopsys ICC user guide pdf" refers to a collection of official documents from Synopsys. These guides are essential technical references that provide detailed instructions on how to use the IC Compiler tool for every stage of the physical design flow—from data setup and floorplanning to clock tree synthesis (CTS), routing, and chip finishing. A user guide typically covers:
Distributing cells legally across the die. Optimization: Sizing up gates to fix setup time violations. Step 4: Clock Tree Synthesis (CTS) ( clock_opt ) synopsys icc user guide pdf
Global routing, track assignment, and detailed routing to create final GDSII. 2. Navigating the Synopsys IC Compiler II User Guide PDF
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
The ICC User Guide shines when you need to execute specific, repeatable tasks. The guide utilizes Tcl (Tool Command Language) as its scripting interface, allowing for powerful automation.
Loading netlists, logic libraries ( .db ), and physical libraries ( .milkyway or .ndm ). Placement At its core, the "Synopsys ICC user
If you have ICC installed on a Linux server, the PDF is almost certainly already on your hard drive. Navigate to: $SYNOPSYS_ICC_HOME/doc/icc_ug/icc_ug.pdf You can often open this directly with evince or acroread in your terminal.
Use initialize_floorplan to define aspect ratios, core margins, and boundary coordinates.
Are you currently working on a 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.
Uses advanced routing architectures to ensure manufacturability and prevent design rule checks (DRC) violations. 2. Core Workflow of IC Compiler It defines the core area
Focuses on IEEE 1801 (UPF) support for low-power designs .
Resolves severe fanout strains before the clock tree is built. Phase 4: Clock Tree Synthesis (CTS)
Floorplanning establishes the physical boundaries of the die or block. It defines the core area, places the Input/Output (I/O) pads, and positions large memory blocks (macros). Key tasks in floorplanning: