: To compete with high-end tools like Altium, Mentor launched PADS Professional. This was a radical shift, as it was built on the high-end Xpedition technology rather than the legacy PADS code. 4. Siemens and the VX Series (2017–Present)
PADS (Personal Automated Design System) began its journey in 1986, when the first version, , was released for DOS operating systems. This initial version, while basic, marked the birth of a tool that would become a staple in PCB design. It was followed by PADS Logic in 1989, which provided schematic capture capabilities.
Mentor Graphics acquired Innoveda in 2002, absorbing the PADS product line into its massive EDA portfolio. Mentor repositioned PADS as their flagship desktop solution for individual engineers and small-to-medium enterprises, sitting just below their enterprise Board Station and Expedition flows. PADS 2004 & PADS 2005
PADS Standard and Standard Plus maintain the classic PowerPCB/PADS 9.5 workflow, while PADS Professional operates more like the higher-end Xpedition VX platform. mentor graphics pads version history
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tools through the Connect platform, allowing teams to share schematic captures and BOM data via a web browser. The Modern Era: Siemens EDA (2021–Present)
Widely considered the "golden age" for stability; version 9.5 remains in use by many legacy teams. : To compete with high-end tools like Altium,
Architectural Comparison: Classic PADS vs. Modern PADS Professional
These versions focused on stability and the introduction of advanced simulation. PADS 2007.3 introduced HyperLynx Analog as an add-in for DxDesigner, significantly enhancing signal integrity capabilities.
The history of PADS PCB design software spans over four decades, evolving from a DOS-based tool into a sophisticated suite now under the Siemens EDA PCB Libraries Origins and Early Years (1980s–1990s) Siemens and the VX Series (2017–Present) PADS (Personal
: Mentor introduced "Flow" bundles, integrating Logic, Layout, and Router into a cohesive Windows-based environment.
The company was sold to Innoveda , a joint venture between Kyoden and Viewlogic.
Added a fully integrated, photo-realistic 3D rendering engine with real-time STEP file collision detection, removing the need to export files to external mechanical CAD (MCAD) tools to check clearances. PADS Professional (The Xpedition Technology Infusion)
PADS 3.0 brought significant enhancements to the software, including the introduction of high-speed design capabilities. This version allowed designers to create and analyze high-speed designs, including those with signal frequencies above 100 MHz. New features, such as differential pair routing and via shielding, helped designers meet the challenges of high-speed design. Additionally, PADS 3.0 included improved simulation tools, enabling designers to analyze and optimize their designs more effectively.