Custom Compiler Pioneers New Era of Visually-Assisted Automation

Shortens FinFET Custom Design Tasks from Days to Hours

MOUNTAIN VIEW, Calif., March 30, 2016 — (PRNewswire) —


  • Template Assistants help designers reuse existing custom layout know-how
  • In-Design Assistants reduce iterations with native design rule checks and parasitic extraction
  • Layout Assistants speed up layout tasks with user-guided placement and routing
  • Co-Design Assistants unify custom and digital flow to accelerate mixed-signal IC design

Synopsys, Inc. (Nasdaq: SNPS) today unveiled Custom Compiler™, a new custom design solution that closes the FinFET productivity gap by shortening custom design tasks from days to hours. To bring new levels of productivity to FinFET layout, Synopsys has taken a fresh approach to custom design by developing visually-assisted automation technologies that speed up common design tasks, reduce iterations and enable reuse. Developed through close collaboration with leading customers, Custom Compiler is already in use for production work on the most advanced nodes and supported on FinFET process technologies by leading foundries (see today's accompanying news releases). Several Custom Compiler users will be sharing their experiences at the Synopsys Users Group (SNUG) Silicon Valley, opening today at the Santa Clara Convention Center.

"Legacy custom design tools have not kept pace with the exponential growth in design complexity," said Antun Domic, executive vice president and general manager of the Design Group at Synopsys. "In particular, the growing number and complexity of FinFET design rules pose significant challenges for layout designers. Custom Compiler's innovative assistants enable designers to address the most difficult layout challenges while significantly improving FinFET design productivity."

Visually Assisted Automation

Custom Compiler Assistants are productivity aids that leverage the graphical use model familiar to layout designers while eliminating the need to write complicated code and constraints. With Custom Compiler, routine and repetitive tasks are dealt with automatically without extra setup. Custom Compiler provides four types of assistants: Layout, In-Design, Template and Co-Design.

  • Layout Assistants speed layout with visually-guided automation of placement and routing. The router is ideal for connecting FinFET arrays or large-M factor transistors. It automatically clones connections and creates pin taps. The user simply guides the router with the mouse and it fills in the details automatically. The placer uses a new innovative approach to device placement. It allows the user to make successive refinements, offering placement choices but leaving the layout designer in full control of the results—without requiring any up-front textual constraint entry.
  • In-Design Assistants reduce costly design iterations by catching physical and electrical errors before signoff verification. Custom Compiler includes a built-in design rule checking (DRC) engine, which is extremely fast and can be active all the time. In addition to the DRC engine, electromigration checking, and resistance and capacitance extraction are all natively implemented in Custom Compiler. Unlike other "electrically-aware" tools, Custom Compiler's extraction is based on Synopsys' gold-standard StarRC™ engine.
  • Template Assistants help designers reuse existing know-how by making it easy to apply previous layout decisions to new designs. Template Assistants actually learn from the work done with the Layout Assistant's placer and router. They intelligently recognize circuits that are similar to ones that were already completed and enable users to apply the same placement and routing pattern as a template to the new circuits. Custom Compiler comes pre-loaded with a set of built-in templates for commonly used circuits, such as current mirrors, level shifters and differential pairs.
  • Co-Design Assistants combine the IC Compiler™ place and route system and Custom Compiler into a unified solution for custom and digital implementation. Users can freely move back and forth between Custom Compiler and IC Compiler, using the commands of each to successively refine their designs. With the Co-Design Assistants, IC Compiler users can perform full custom edits to their digital designs at any stage of implementation. Likewise, Custom Compiler users can use IC Compiler to implement digital blocks in their custom designs. The lossless, multi-roundtrip capability of the Co-Design Assistants ensures that all changes are synchronized across both the digital and custom databases.

"As the leader in analog/mixed-signal semiconductor IP, our team has been exposed to FinFET related design challenges very early in the foundry process development cycle," said Joachim Kunkel, executive vice president and general manager of the Solutions Group at Synopsys. "We asked the Custom Compiler development team to focus on improving FinFET layout productivity because we saw large increases in the layout effort across a wide range of IP development projects, from standard cells to high-performance SerDes. Custom Compiler's Layout Assistants allowed us to implement a novel layout methodology that reduces the time of many layout tasks from hours to minutes."

Comprehensive Custom Solution Available Now

Custom Compiler is based on the industry standard Open Access database. It provides an open environment spanning schematics, simulation analysis and layout. Unified with Synopsys' circuit simulation, physical verification and digital implementation tools, Custom Compiler provides a comprehensive custom design solution. For more information about Custom Compiler, visit

About Synopsys

Synopsys, Inc. (Nasdaq: SNPS) is the Silicon to Software™ partner for innovative companies developing the electronic products and software applications we rely on every day. As the world's 16th largest software company, Synopsys has a long history of being a global leader in electronic design automation (EDA) and semiconductor IP and is also growing its leadership in software quality and security solutions. Whether you're a system-on-chip (SoC) designer creating advanced semiconductors, or a software developer writing applications that require the highest quality and security, Synopsys has the solutions needed to deliver innovative, high-quality, secure products. Learn more at

Editorial Contact: 
Monica Marmie
Synopsys, Inc.
Email Contact


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SOURCE Synopsys, Inc.

Synopsys, Inc.

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