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Device for neuromorphic computer system and manufacturing method thereof

A technology of resistors and transistors, applied in the field of neural computing, can solve the problem of large sum of current consumption

Active Publication Date: 2019-08-23
MACRONIX INT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this system, there will be a large number of inputs and outputs, and the total current consumption will be large

Method used

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  • Device for neuromorphic computer system and manufacturing method thereof
  • Device for neuromorphic computer system and manufacturing method thereof
  • Device for neuromorphic computer system and manufacturing method thereof

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Embodiment Construction

[0065] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0066] The following description will refer to specific embodiments and methods. It should be noted that the following description is not intended to limit the present invention to the disclosed specific embodiments and methods. Rather, the invention can be practiced using other features, elements, methods and embodiments. The preferred embodiments are used to illustrate the technology of the present invention, not to limit its scope, which is defined by the claims. Those skilled in the art with common general knowledge will be able to understand the equivalent changes from the following description.

[0067] figure 1 A schematic diagram showing the operation (operation) of the sum of product terms, wherein in this em...

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Abstract

The invention discloses a device for a neuromorphic computer system and a manufacturing method thereof. The device comprises an array of resistance cells. The array of resistance cells has a number Mof rows and a number N of columns of resistance cells. Each resistance cell comprises a transistor having a threshold, representing a weight factor Wnm of the resistance cell, and a resistive elementin series with the transistor. Each resistance cell has a cell resistance value having a first value when the transistor is on and a second value when the transistor is off. A set of source lines is coupled to the resistance cells in respective columns. A set of bit lines is coupled to the resistance cells in respective rows, signals on the bit lines representing inputs x(m) to the respective rows. A set of word lines is coupled to gates of the transistors in the resistance cells in respective columns. Current sensed at a particular source line represents a sum of products of the inputs x(m) by respective weight factors Wnm.

Description

technical field [0001] The invention belongs to the technical field of neural computing, and relates to a device and a manufacturing method thereof, in particular to a circuit structure which can be used to perform the operation of the sum of products and terms. Background technique [0002] In neurocomputing-like systems, these include: machine learning systems and circuits for performing certain types of calculations based on linear algorithms, such as the sum-of-products function being an important component. This function can be expressed as follows: [0003] [0004] In this representation, each product term is the product of a variable input Xi and a weight Wi. The weight Wi can vary from term to term, for example corresponding to the coefficient of the variable input Xi. [0005] The product term sum function can be realized by circuit operation (operation) using the structure of the interleaved point array, wherein the electrical parameters of multiple unit poin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N3/063
CPCG06N3/065G11C13/004G11C2213/79G11C13/0069H10B63/30H10B63/80H10N70/011G06N3/063
Inventor 林昱佑李峰旻
Owner MACRONIX INT CO LTD
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