Why H-PHY™

Challenges of Today's High-Speed Interconnects

Challenges of Conventional Wide I/O PHYs

As bandwidth and I/O density continue to scale, conventional voltage-domain Wide I/O PHYs face increasing challenges
in energy efficiency, thermal management, signal integrity, silicon area, and packaging complexity.

01 Increasing Power Consumption Voltage-domain signaling can incur increasing switching energy as data rates and I/O density scale.
02 Increasing Bandwidth Demand Increasing bandwidth and I/O density place growing demands on power, routing, and signal integrity.
03 Thermal Challenges Increasing I/O power density can contribute to localized heating and greater thermal-management challenges.
04 Packaging Complexity Higher I/O density increases routing and integration complexity across interposers, TSVs, bridges, and advanced substrates.
! Next-generation AI and memory systems call for new approaches to energy-efficient, high-density PHY architectures.