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Method and system for overcoming erasing interference, storage medium and terminal

A technology of over-erasing and erasing units, which is applied in a method of overcoming erasing interference, storage media and terminals, and system fields. It can solve problems such as memory unit erasing interference and chip performance deterioration, and reduce permanent The probability of sexual error, the effect of ensuring reliability

Active Publication Date: 2020-10-16
XTX TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] The purpose of the present invention is to provide a method, system, storage medium and terminal for overcoming erasing interference, aiming to solve the problem of erasing interference caused by multiple erasing pulses to memory cells after the performance of the chip deteriorates

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  • Method and system for overcoming erasing interference, storage medium and terminal
  • Method and system for overcoming erasing interference, storage medium and terminal
  • Method and system for overcoming erasing interference, storage medium and terminal

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Embodiment Construction

[0056]The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present application.

[0057] It should b...

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Abstract

The invention discloses a method and system for overcoming erasing interference, a storage medium and a terminal. When the number of times of erasing pulse application reaches a preset value each time, first refreshing programming processing is started, so that the problem that after the performance of a chip becomes poor, erasing interference is caused to a storage unit by multiple times of erasing pulses is solved, the probability of permanent errors of chip data can be reduced, and the reliability of the chip is guaranteed.

Description

technical field [0001] The present invention relates to the technical field of semiconductor storage, in particular to a method, system, storage medium and terminal for overcoming erasure interference. Background technique [0002] In memory, under normal circumstances, the size of a sector is 4096 bytes, and the size of a block is 65536 bytes. For a chip with a capacity of 128Mbit, it contains 256 blocks. Usually we put some blocks in the same array, such as Put 32 blocks in an array, memory cells in an array, their substrates are connected together. The following takes a chip with a capacity of 128Mbit as an example, and the size of an array is 16Mbit, that is, 32 blocks are located in the same array, and 512 sectors are located in the same array. [0003] When performing sector erase on the chip, the common erase process is as follows figure 1 As shown, the process is explained below: [0004] 1. Judgment operation 1: judge whether the current sector needs to be erased...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C16/34G11C16/14
CPCG11C16/14G11C16/3409G11C16/3477
Inventor 刘梦
Owner XTX TECH INC