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CTO: TSMC prepared to push beyond IC limits

Posted: 15 May 2013 ?? ?Print Version ?Bookmark and Share

Keywords:embedded flash? MEMS? CMOS? foundry?

In an exclusive interview with EE Times, leading semiconductor foundry, Taiwan Semiconductor Manufacturing Company (TSMC) detailed its plans for dominating the "system super-chip" market.

"If anybody pushes Moore's Law to extremes, TSMC will be there too, but that is not all we do," said Jack Sun, chief technology officer and vice president of R&D. "We also have specialised technologies such as embedded flash, high-voltage, power transistors, MEMS and image sensors!a spectrum of technologies. And as we move monolithic CMOS on to more advanced nodes, all these other technologies can not be moved along with it!that's where our interposers and 3-D technologies will enable system integration that allows them all to be used together in what we call a system super-chip packages."

Thus 3D and wafer-scale packaging techniques are not just a way to achieve higher densities than scaling alone can achieve, but a means of delivering super-systems that move beyond system-on-chip (SoC) to systems of diverse integrated technologies that make TSMC unique as a foundry.

"We have three basic focuses: the first is to continue to push monolithically in CMOS to get the most energy efficient transistors!providing the largest number of transistors running at the lowest power. We consider CMOS to be like the brain of a system. Secondly we provide speciality technologies that are like your eyes and ears and that are analogue and mixed signal. Then thirdly, we provide 3-D technologies with TSVs [through silicon vias], interposers and other wafer-level package capabilities, which allows us to integrate the most advanced logic chips with our speciality technologies. Of course, some customers just want SoCs!and that is fine!but others will want to take advantage of our ability to use 3D integration to make the whole system smaller using system-scaling and system integration!what we call system super-chips."

Today Xilinx is the only announced customer of TSMC's first-generation 3D technology!so-called 2-1/2 D silicon interposers, which it uses to integrate multiple field-programmable-gate arrays (FPGAs) along with other chips, such as the high-speed transceivers used on the world's fastest single-chip serialiser/deserialiser, the Virtex-H580T SerDes. TSMC, however, also claims to have many other customers in the process of using its silicon interposers and other wafer-scale technologies for creating system super-chips.

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