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Cadence design systems, release Cadence ® Allegro ® system interconnection design platform for printed circuit board (PCB "> PCB) design of new products and technology. The improved platform as constraint driven design provides an important new features to the IC, encapsulation and board level design team to provide new technology in the field of design and enhanced in order to enhance ease of use, productivity and collaboration capabilities, thus for PCB" > PCB design engineer to set up the new model.

"As the need to increase the Power supply voltage drop and current, submit Network in PCB design system on the Power (Power Delivery Network) must be considered in the process of encapsulation and IC characteristics," huawei Jiang Xiangzhong SI manager said. "Using PI Allegro PCB technology enhanced performance, we are able to implant encapsulation model, on-chip current plane figure and bare chip capacitor, in improving the precision of simulation performance without sacrificing."

Engineering team in design and management of electronic design in today's complex systems interconnection, facing unprecedented challenges. With the decrease of the average area of PCB, the device pin number frequency and design constraints, design complexity is rising. This continuous challenges that traditional design method of PCB is becoming more and more. Based on the Cadence in the leading position in the field of PCB, new Allegro platform provides can adapt and solve these processes and methodologies, increasing the complexity of the problem so as to set up the new PCB design model.

"New Allegro platform version introduces many new features, productivity will bring advantage for designers like me," senior Canadian Kaleidescape PCB designer Vincent Di Lello said: "like physical characteristics and space constraints, the noun - verb choice model, extended the function of RMB, open GL and countless visual enhancements will greatly increase the output of the designer, and to provide a more friendly interface design environment."

Cadence Allegro platform is driven based on electrical and physical constraints leading PCB layout and interconnected systems. It after the upgrade, now includes physical and space constraints of the most advanced cabling technology and new methodology. It USES the Cadence constraint management system, it is in the whole process of PCB provide general constraint management console. Other upgrades include support for advanced serial connection design modeling algorithm, an improved circuit simulation, with Cadence OrCAD ® products seamless extensibility, enhanced collaborative, and the new user interface, which can improve the productivity and availability. This version Allegro platform for signal integrity (SI) and power integrity (PI) provides significant new features.

"This is the most important PCB issued in recent years, we have been in helping customers meet their needs, so that they can solve the problem of the most challenging design," Cadence is responsible for product marketing vice President of global Charlie Giorgetti said, "we offer customer development and innovation ability, obvious our commitment to PCB market."

The next generation of PCB design process

The latest Cadence Allegro platform, introduced a hierarchical layout planning, and new technologies, such as global wiring greatly improved based on the rules of driving advanced design ability. The platform also through new usage patterns and enhance ease of use provides a better usability. All versions of the Allegro PCB design platform contains new PCB editing technology, interactive learning curve by reducing the new scheme and the optimization tool, can improve designer's efficiency and productivity.

To improve the design of the generation and simulation

Allegro platform using a version of the latest version's Allegro System Architect, hardware designers can shorten development time, generate 60% more bigger than the original number of differential signal. Cadence to ® Cadence PSpice software technology to increase significant performance improvement and convergence, further enhancing the simulation.

Advanced constraint driven design

Allegro constraint management system provides a new advanced performance, reduces the advanced I/O interface design the generation of the time, these interface with PCI Express, DDR2, SATA, etc. The system makes the designer has the ability to generate and use reference other objects rules specified constraints. Constraint management system includes the parts manual, in addition to the physical and space constraints, also for design constraints, design rule checking and attribute provides location.

Improve the productivity and the simulation accuracy

Newly released Allegro platform in SI Allegro PCB and PCB PI provides a new function, can shorten the interconnection design time and improve product performance and reliability. These properties include the serial connection design significantly improved, allowing users to accurately predict over 6 Gbps transceiver channel bit error rate of advanced algorithms. In addition, the channel compatibility and statistical analysis function also allows the user to assess the traditional channel, so that with high data rate transceiver to share.

Allegro PCB PI options can absorb from IC and IC package design tools package parasitics, bare chip capacitor and convert current, to build a complete power supply system accuracy. Combining static IR drop analysis, Allegro PCB PI users can quickly judge whether the power distribution system can maintain specifications described in the reference voltage.

Release condition

Allegro PCB design L, XL and GXL platform version to be published in June 2007. Demonstrate on PCB West Global wiring Environment (Global Route Environment) is included in the Allegro PCB Design GXL products.