The United States invested 6.4 billion to develop Chiplet

Latest update time：2024-07-20

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The Pentagon's research center DARPA has allocated US$840 million (about RMB 6.4 billion) to develop the next generation of semiconductor microsystems for the US military.

The recipient of the funding is the Texas Institute for Electronics (TIE), an organization founded in 2021 and based at the University of Texas at Austin, which is a consortium of state and local governments, chip companies and academic institutions.

TIE’s research focuses on heterogeneous integration technology, also known as chiplets — individual pieces of silicon packaged together to form complete chips. Processors from AMD and others are known for using this approach: a modern AMD Ryzen or Epyc part, for example, includes a cluster of chips, each housing a CPU core and clusters of IO circuits.

Because of TIE’s experience in semiconductor R&D, DARPA has selected the team to develop 3D heterogeneous integration (3DHI) technology, an approach that involves stacking layers of silicon on top of each other rather than side by side in a chip package. The funding is part of DARPA’s Next Generation Microelectronics Manufacturing (NGMM) program.

The project will take five years to complete and is divided into two parts. The first phase involves building a manufacturing center to create 3DHI microsystem prototypes for the Department of Defense (DoD). TIE's industry partners include AMD, Applied Materials, Global Foundries, Intel, Micron, and others.

As we mentioned, this isn’t entirely new technology; chips and chip stacks are already used in some form in today’s PC and server microprocessors and GPUs. Crucially, NGMM’s goal is to provide the U.S. Department of Defense with “higher performance, lower power, lightweight and compact defense systems” for use in “radar, satellite imaging and drones,” among other things.

That is: applying this consumer and commercial technology to the military field.

The total budget for the project is therefore about $1.4 billion, with $840 million coming from DARPA and $552 million coming from the state of Texas itself.

Reference Links

https://www.theregister.com/2024/07/18/darpa_awards_840m_to_utaustin/

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