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Information Circuit Architecture Lab
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The lab designs LSIs by smartly combining hundreds of millions of transistors.

AboutAbout the lab
Designing LSIs, the heart of information devices.
The Information Circuit Architecture Lab studies the architecture of LSIs, which are at the core of information devices, and techniques for designing them efficiently.
An LSI contains hundreds of millions of transistors built onto a silicon chip.
Designing configurations that deliver high performance with low power consumption, and designing circuits that operate without errors in a short time, are critically important technologies.
Under the motto of being "practical and empirical," the lab aims to contribute to society by building systems that are faster, lower in power consumption, smaller, and cheaper.
Key terms
- LSI (large-scale integration)
- A large-scale integrated circuit; an electronic component with many transistors built onto a small silicon chip
- Reconfigurable device
- A device whose circuit configuration can be rewritten after manufacture so that it can be used as a variety of dedicated circuits
- Manufacturing yield
- The proportion of manufactured products that are good units operating correctly
ResearchResearch themes
The lab studies circuit design technology for ultra-high integration with guaranteed high availability, and rewritable circuits (reconfigurable systems).
*Illustrative imageMaking huge, miniature LSIs work reliably
The lab models and analyzes circuit behavior with billions of transistors, tiny devices, and extremely low voltages using mathematical and statistical methods. It has produced results in power grid analysis, characteristic measurement, manufacturing yield estimation, and test technology.
*Illustrative imageRewritable circuits
Having focused early on rewritable circuits (reconfigurable devices), which combine the flexibility of a CPU with the performance and low power consumption of dedicated circuits, the lab aims to develop "self-evolving systems."
MembersFaculty
The faculty of the Information Circuit Architecture Lab are Professor Takashi Sato and Assistant Professor Kotaro Matsuoka.
- ProfessorTakashi Sato
- Assistant ProfessorKotaro Matsuoka
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Micro-chips wafer (25079)” Syced / CC0 (cropped)
- Making huge, miniature LSIs work reliably: “Chip layout from the development phase of the Intel 4004 from 1971, the first microprocessor of the world (cropped and edited image)” Intel 4004 Chip Layout ( ).jpg: Wolfgang Stief from Tittmoning, Germany derivative work, the rectangular version above: Pittigrilli / CC0 (cropped)
- Rewritable circuits: “TEI0003 Altera Cyclone 10 LP FPGA CYC1000” Antti Lukats / CC0 (cropped)
- Related lab (Low-Power Integrated Circuit Design Lab): “Mpw4-top-HD” Zeptobars; Mikhail Svarichevsky / CC BY 3.0 (cropped)
- Related lab (Semiconductor Physics and Engineering Lab): “Rounded Silicon Carbide Ingot” LaMèreVeille / CC BY-SA 4.0 (cropped)
- Related lab (System Creation Lab): “USS Laffey (DD-724) Radar Antenna - Mount Pleasant, South Carolina - December 29, 2012” David Ratledge / CC BY 4.0 (cropped)
- Related lab (Language Media Lab): “T-SNE visualisation of word embeddings generated using 19th century literature” Siobhán Grayson / CC BY-SA 4.0 (cropped)
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