May Be Your Microprocessor is Slower Than Microprocessor made with Carbon Nanotube

May Be Your Microprocessor is Slower Than Microprocessor made with Carbon Nanotube - Science Feed

If you know what Moore's Law says, then you know that performance gets doubled every two years as number transistors on a chip double every year and thus you have to pay lesser money for your smart devices.
But, there are certain limitations of processors. When we will reach the atomic level of chip production, we cannot improve the speed and capability of our processors.
No problem.
Carbon Nanotubes are here.

Recently, MIT Researchers have found a way to use carbon nanotubes (CNTs) in microcontrollers which are better than traditional silicon microcontrollers. They made 16-bit RISC-V microprocessor with carbon nanotube field-effect transistors (CNFETs).

This is a microscopic image of RV16X-Nano die (image credit: Nature)

These microprocessors are capable to save 10 times energy than silicon microprocessor. By overcoming the defects and getting full control over fabricating CNFETs, the execution was super accurate. The fabrication is done with carbon nanotubes deposition in a solution onto a wafer with predesigned transistor architectures.

The 16-bit processor was able to print output, "Hello, World! I am RV16XNano, made from CNTs."
RV16XNano is a 16-bit microprocessor works on RISC-V instruction set that runs standard 32-bit instructions on 16-bit data. The processor comprised of more than 14,000 metal-oxide-semiconductors CNFETs.

The previous chips were designed by M. Shulakar, Emanuel E Landsman Career Development Assistant Professor of EECS (Electrical Engineering and Computer Science), and other researchers.
That time chips only had 178 CNFETs.

Shulakar said, "This is by far the most advanced chip made from any emerging nanotechnology that is promising high performance and energy-efficient computing. There are limits to silicon. If we want to continue to have gains in computing, Carbon nanotubes represent one of the most promising ways to overcome those limits. The paper completely re-invents how we build chips with carbon nanotubes."

This research was supported by Analog Devices, Defence Adv. Research Projects Agency (DARPA), National Science Foundation, and Air Force Research Laboratory.

Now, the real challenge is how these chips will be introduced in the market. For tackling this challenge, DARPA has launched a program for manufacturing it like silicon one.

Thanks for Reading

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