Cadence SPB OrCAD 16.5.022 (Allegro SPB) Hotfix | 655.4 mb Cadence OrCAD PCB design suites combine industry-leading, production-proven, and highly scalable PCB design applications to deliver complete schematic entry, simulation, and place-and-route solutions. With these powerful, intuitive tools that integrate seamlessly across the entire PCB design flow, engineers can quickly move products from conception to final output.