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In 2013, Ricoh Electronic Devices Co., Ltd. organized their layout project teams to reduce integrated circuit (IC) layout design time, targeting a 50% reduction in the entire analog design flow by 2015. In June 2014, Pulsic, the provider of physical design tools for precision design automation, introduced Pulsic Animate, the first complete automated layout system built from the ground up for transistor-level analog and custom-digital design. Realizing that power management for IC design has many analog characteristics and involves huge amounts of manual layout time, Ricoh Electronic Devices began taking part in early development of Animate. This year, Ricoh Electronic Devices adopted Animate for layout design of their power management ICs.

Pulsic Animate overcomes traditional approaches to automating analog IC design, which have attempted to improve on portions of the design flow, but have not managed to generate manual-quality layout without significant user intervention. Built specifically for analog layout, patent-pending PolyMorphic Layout technology delivers multiple layouts from a schematic using automatic constraint extraction and simultaneous placement and routing. Animate offers designers a simple, easy-to-use layout tool that automatically generates constraints based on netlist topology analysis, eliminating the need for time-consuming manual constraint entry and management. Constraints are derived automatically, but can be edited by the user quickly and easily to explore various configured layouts. At Ricoh Electronic Devices, there are three phases in layout design flow: 1) top-level floor planning, 2) cell block implementation, and 3) top-level routing. The cell block implementation phase consumes 50-80% of total layout design time and was an obvious place to start looking for greater efficiencies. In this phase, Ricoh Electronic Devices was looking at group placement and matching of analog devices and the pursuit of maximum routing flexibility, and worked closely with Pulsic to achieve this for the cell block implementation using Animate.

Animate's built-in knowledge of analog device placement is excellent, and the system works by doing placement and routing truly concurrently, carrying out placement with routing considerations always in mind. Ricoh Electronic Devices needed both efficiency and consideration of all layout design characteristics for their analog layouts. When the company's designers compared Animate's capabilities to their detailed requirements, Animate was the only automation tool to satisfy their wide ranging requirements.

About Pulsic

Pulsic is an electronic design automation (EDA) company offering production-proven chip planning and implementation solutions for extreme design challenges at advanced nodes. Leading semiconductor companies use Pulsic's physical design software to achieve significant improvements in their design productivity through layout automation using Pulsic's advanced solutions. Complementary to existing design flows, standards, and databases, Pulsic technology delivers handcrafted quality faster than manual design or other EDA software solutions.

For more information, visit or call 252/940-0981.

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Publication:Electro Manufacturing
Date:May 1, 2015

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