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The birth of a new integrated memory and computing chip is conducive to the application of artificial intelligence~

2020-11-08 13:01:58 osc_kvcz9ju6

EPFL Engineers developed a computer chip , The chip combines the functions of logic operation and data storage , It forms a single architecture , Paves the way for more efficient equipment . Their technology is particularly promising for applications that rely on artificial intelligence .

 

This is a major breakthrough in the field of Electronics .EPFL The nanoscale electronic and Structural Laboratory of (LANES) We have developed the next generation of circuits , The circuit can be used for smaller , Faster and more energy efficient devices - This will bring significant benefits to AI systems . Their first technology will be revolutionary 2D Materials are used in so-called memory logical architectures or single architecture technologies that combine logical operations with storage functions . The team's findings appear today in 《 natural 》 The journal .

up to now , The energy efficiency of computer chips has always been affected by the Feng · The limitations of Neumann architecture , In this schema , Data processing and data storage are carried out in two separate units . This means that data has to be continuously transferred between the two units , And it takes a lot of time and energy .

 

By combining two units into one structure , Engineers can reduce these losses . This is a EPFL The idea behind the development of the new chip , Although it's a step ahead of existing logical memory devices .EPFL The chip consists of MoS 2 Made from ,MoS 2 yes 2D material , It consists of a single layer only three atoms thick . It's also an excellent semiconductor .LANES Engineers have studied... Years ago MoS 2 Specific properties of , It was found to be particularly suitable for electronic applications . Now? , The team has further developed the preliminary research to create the next generation of Technology .

 

EPFL The chip is based on floating gate FET (FGFET). The advantage of these transistors is that they can keep charge for a long time . They are usually used in cameras , In the flash memory system of smart phones and computers .MoS 2 Its unique electrical characteristics make it suitable for FGFET The charge stored in is particularly sensitive , This makes LANES Engineers can develop circuits that can be used both as memory storage cells and as programmable transistors . By using MoS 2, They can integrate many processing functions into a single circuit , Then make changes as needed .

 

LANES Andreas, the person in charge · Keith (Andras Kis) Express :“ The ability of a circuit to perform both functions is similar to the way the human brain works , Neurons are involved in memory storage and mental computation . Our circuit design has several advantages . It reduces the energy consumption associated with transferring data between memory units and processors , Reduce the time required for computing operations , And reduce the space needed . It's smaller , Stronger and more energy-efficient devices open the door .”

 

LANES The research team also got the use of 2D In depth expertise in material manufacturing circuits .“ We handmade the first chip ten years ago ,” Kis say .“ But since then , We have developed an advanced manufacturing process , So that we can make... In one run 80 Chips or more , And has good control performance .”

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