Learn advanced PCB layout techniques in this comprehensive video tutorial. Explore DDR4 memory layout spacing and length matching, differential pair spacing and routing, NAND interface routing, track-to-track clearance, and edge-to-track/component clearance. Gain valuable insights from an expert's commentary on a junior engineer's PCB layout, covering crucial aspects of high-speed design for signals above 20Gbps. Enhance your skills in PCB design and improve your layouts with practical guidelines and best practices.