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Code comparator with nonpolar dynamic switch

A non-polar, cross-switch technology used in the field of code comparators

Pending Publication Date: 2020-04-14
TESTREETCAREM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, technical challenges remain in providing low cost, low energy requirements and higher speed switching circuits

Method used

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  • Code comparator with nonpolar dynamic switch
  • Code comparator with nonpolar dynamic switch
  • Code comparator with nonpolar dynamic switch

Examples

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Embodiment Construction

[0028] The present disclosure relates to code comparators with non-polarity switches and provides methods of use. The technology described in this disclosure can bring the following technical advantages. First, the techniques described in this disclosure require no digital addition or comparison, and are able to determine the Hamming distance and perform code comparison using analog signals.

[0029] Second, the techniques described in this disclosure can increase switching speed by reducing or eliminating the overhead of having to reprogram or reset a non-linear device to its default state, for example, at the end of each compare operation.

[0030] Third, the techniques described in this disclosure can improve the accuracy of comparison results by providing a switching voltage threshold that can be set and adjusted to a desired value for higher noise tolerance.

[0031] In code comparison operations, the Hamming distance between two strings of equal length is defined as the...

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Abstract

The disclosure relates to a code comparator with a nonpolar dynamic switch. An example apparatus comprises: multiple horizontal lines; multiple vertical lines; one or more cross-point devices, and nonpolar volatile two-terminal devices formed in the multiple cross-point devices. Each cross-point device in the multiple cross-point devices is located at the intersection of one row of multiple horizontal lines and one column of multiple vertical lines; the nonpolar volatile two-terminal device is configured to automatically revert from an ON state to an OFF state, in response to a removal of a bias or signal applied on the nonpolar volatile two-terminal device. The nonpolar volatile two-terminal device is configured to automatically revert from an ON state to an OFF state, in response to a removal of a bias or signal applied on the nonpolar volatile two-terminal device.

Description

technical field [0001] This disclosure relates to code comparators, and more particularly, to code comparators with polarity-free dynamic switching. Background technique [0002] The Hamming distance can be calculated by a digital circuit by bit-by-bit comparison of input data bits with corresponding decision logic. Computing the Hamming distance in digital circuits can be inefficient because power dissipation in digital circuits is proportional to circuit capacitance and the total number of signal transitions. These difficulties are exacerbated if word or string comparisons involve analog input signals, which need to be first converted to digital by an analog-to-digital converter (ADC). [0003] Therefore, technical challenges remain in providing low-cost, low-energy-requiring, and higher-speed switching circuits. Contents of the invention [0004] The present disclosure discloses systems and methods for operating code comparators using non-linear devices, such as polar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K5/24H03M1/12
CPCH03K5/24H03M1/12G11C11/24G11C7/1006G11C13/0002
Inventor 葛宁
Owner TESTREETCAREM INC