The printed circuit board (PCB) design community has a desperate need to establish a robust, automated process that enables the use of customized via and pin definitions for enhanced signal performance in current and next generation 56/112/224 gigabit per second (Gbps) designs. Presented herein is a robust, automated process (and tool) to enable the design, implementation, management, and verification of customized via and pin definitions for a variety of PCB designs. In particular, a spreadsheet format is defined to provide the exact details of each transition designed for a PCB. A software tool provides for the ability to modify a family of base transitions, create a family of custom pad definitions for every layer, and manage those pad definitions within the PCB.
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Scott, Linda; Umina, Michael; Gaumer, Quinn; Scearce, Stephen; John, Stanley; and Yanagawa, Doug, "AUTOMATION TECHNIQUES TO CUSTOMIZE VIA/PIN PRINTED CIRCUIT BOARD PADSTACKS FOR ENHANCED SIGNAL INTEGRITY PERFORMANCE", Technical Disclosure Commons, (January 24, 2021)