Making Connections In 3D Heterogeneous Integration


Activity around 3D heterogeneous integration (3DHI) is heating up, driven by growing support from governments, the need to add more features and compute elements into systems, and a widespread recognition that there are better paths forward than packing everything into a single SoC at the same process node. The leading edge of chip design has changed dramatically over the last few years. Int... » read more

Everyone’s A System Designer With Heterogeneous Integration


The move away from monolithic SoCs to heterogeneous chips and chiplets in a package is accelerating, setting in motion a broad shift in methodologies, collaborations, and design goals that are felt by engineers at every step of the flow, from design through manufacturing. Nearly every engineer is now working or touching some technology, process, or methodology that is new. And they are inter... » read more

Why Chiplets Don’t Work For All Designs


Experts at the Table: Semiconductor Engineering sat down to discuss use cases and challenges for commercial chiplets with Saif Alam, vice president of engineering at Movellus; Tony Mastroianni, advanced packaging solutions director at Siemens Digital Industries Software; Mark Kuemerle, vice president of technology at Marvell; and Craig Bishop, CTO at Deca Technologies. What follows are excerpts... » read more

Distributed Batteries Within A Heterogeneous 3D IC To Optimize Performance


A technical paper titled “On-Chip Batteries as Distributed Energy Sources in Heterogeneous 2.5D/3D Integrated Circuits” was published by researchers at University of Florida and Brookhaven National Laboratory. Abstract: "Energy efficiency in digital systems faces challenges due to the constraints imposed by small-scale transistors. Moreover, the growing demand for portable consumer electr... » read more

Processor Tradeoffs For AI Workloads


AI is forcing fundamental shifts in chips used in data centers and in the tools used to design them, but it also is creating gaps between the speed at which that technology advances and the demands from customers. These shifts started gradually, but they have accelerated and multiplied over the past year with the rollout of ChatGPT and other large language models. There is suddenly much more... » read more

Chiplets: Deep Dive Into Designing, Manufacturing, And Testing


Chiplets are a disruptive technology. They change the way chips are designed, manufactured, tested, packaged, as well as the underlying business relationships and fundamentals. But they also open the door to vast new opportunities for existing chipmakers and startups to create highly customized components and systems for specific use cases and market segments. This LEGO-like approach sounds ... » read more

Smarter Systems Through Heterogeneous Integration: Highlights From 3D & Systems Summit


It has taken decades of research and development and strong commitment to various industry programs, but the stars are finally aligning for 3D semiconductor systems. No one could have left the 3D & Systems Summit 2023 – held in late June in Dresden – with any doubt that heterogeneous integration, enabled by increasingly mature 3D packaging technologies, is becoming a key driver of the s... » read more

Better Choreography Required For Complex Chips


The rapidly growing number of features and options in chip design are forcing engineering teams to ratchet up their planning around who does what, when it gets done, and how various components will interact. In effect, more elements in the design flow need to be choreographed much more precisely. Some steps have to shift further left, while others need to be considered earlier in the plannin... » read more

3DICs: Legalizer Techniques For Better Routing Quality, Fewer DRVs, And Reduced Total Slack With Negligible Runtime Impact


A technical paper titled “On Legalization of Die Bonding Bumps and Pads for 3D ICs” was published by researchers at the Georgia Institute of Technology, NVIDIA Corporation, and the University of Bremen. Abstract "State-of-the-art 3D IC Place-and-Route flows were designed with older technology nodes and aggressive bonding pitch assumptions. As a result, these flows fail to honor the widt... » read more

Photonic Debond: Scalability And Advancements


Advanced packaging technology has continuously evolved over the past 10-20 years to become a major driving force in improving integrated circuit (IC) performance. This improvement in IC performance is assisted by the ability to place specialized components near each other for shorter interconnects in the IC packages. Temporary bond and debond (TB/DB) is an enabling technique for this work. TB/D... » read more

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