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Method for adjusting clock frequency of non-volatile memory and non-volatile memory

A non-volatile, clock frequency technology, used in the adjustment of the clock frequency of non-volatile memory, the field of non-volatile memory, can solve the problem of long clock signal cycle, affecting the reliability and stability of non-volatile memory, Problems affecting the working efficiency of non-volatile memory

Active Publication Date: 2019-05-28
GIGADEVICE SEMICON (BEIJING) INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the period of the clock signal set based on the above method is relatively long, thereby reducing the corresponding clock frequency of the oscillator, thereby affecting the working efficiency of the non-volatile memory, and further affecting the reliability of the non-volatile memory and stability

Method used

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  • Method for adjusting clock frequency of non-volatile memory and non-volatile memory
  • Method for adjusting clock frequency of non-volatile memory and non-volatile memory
  • Method for adjusting clock frequency of non-volatile memory and non-volatile memory

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Experimental program
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Effect test

Embodiment 1

[0031] figure 2 A simple structural diagram of a non-volatile memory provided in Embodiment 1 of the present invention, as shown in figure 2 As shown, the non-volatile memory provided by Embodiment 1 of the present invention not only includes a controller 21, an oscillator 22, a word line selection unit 23, a bit line selection unit 24, a voltage pump 25, and a memory cell array 26, but also Including: temperature monitor 20.

[0032] Wherein, the temperature monitor 20 is connected with the controller 21, is used for monitoring the temperature of the environment where the non-volatile memory is located, and transmits the temperature information of the environment where it is located to the controller 21; The temperature information regulates the clock frequency of the clock signal generated by the oscillator.

[0033] In this embodiment, before performing various operations based on the non-volatile memory of the present invention, the temperature of the external environm...

Embodiment 2

[0038] image 3 It is a schematic flowchart of a method for adjusting the clock frequency of a non-volatile memory provided by Embodiment 2 of the present invention. The method is implemented by using the non-volatile memory provided in Embodiment 1 of the present invention, and is suitable for adjusting the clock frequency of the clock signal generated by the oscillator when the non-volatile memory is at different ambient temperatures.

[0039] Such as image 3 As shown, a method for adjusting the clock frequency of a non-volatile memory provided by Embodiment 2 of the present invention specifically includes the following operations:

[0040]S301. The controller receives current temperature information transmitted by a temperature monitor.

[0041] In this embodiment, both the controller and the temperature monitor are structural devices of the non-volatile memory mentioned in Embodiment 1 of the present invention. Wherein, the controller is a core control unit of the non-...

Embodiment 3

[0052] Figure 4 A schematic flowchart of a method for adjusting the clock frequency of a non-volatile memory provided by Embodiment 3 of the present invention. The embodiment of the present invention is optimized on the basis of Embodiment 2 above. In this embodiment, when the controller receives the temperature Before the temperature information transmitted by the monitor, the optimization further includes: monitoring the current temperature value of the external environment based on the temperature monitor, and converting the current temperature value into current temperature information in binary code form.

[0053] Further, before the controller determines the preset cycle duration corresponding to the oscillator based on the current temperature information, the optimization also includes: setting the preset cycle duration corresponding to different temperature gradient information in the non-volatile memory, forming two Tuple information table and provide to the controll...

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Abstract

The invention discloses an adjusting method for clock frequency of a nonvolatile memory and the nonvolatile memory. The adjusting method is executed by the nonvolatile memory provided by the embodiment of the invention and includes the steps: a controller receives current temperature information transmitted by a temperature monitor; the controller determines preset cycle duration corresponding to an oscillator based on the current temperature information; and the controller controls the oscillator to generate the clock frequency of a clock signal based on the preset cycle duration. With use of the adjusting method, the clock frequency of the nonvolatile memory can be adjusted automatically along with the changes of the current environment temperatures, so that the nonvolatile memory is guaranteed to work normally under different environment temperatures, thereby having good working efficiency, and enhancing the reliability and stability of the nonvolatile memory during work.

Description

technical field [0001] The invention relates to the technical field of storage device hardware, in particular to a method for adjusting the clock frequency of a nonvolatile memory and the nonvolatile memory. Background technique [0002] figure 1 It is an existing simple structure diagram of non-volatile memory (Non-volatile Memory), which is composed of figure 1 It can be seen that the nonvolatile memory includes a controller 11, an oscillator 12, a word line selection unit 13, a bit line selection unit 14, a voltage pump 15, and a memory cell array 16, wherein the controller 11 can be regarded as the entire nonvolatile memory The control core of sexual memory is controlled by figure 1 It can be seen that the controller 11 is respectively connected to the oscillator 12, the word line selection unit 13, the bit line selection unit 14 and the voltage pump 15, and can control the oscillator 12 to periodically generate a clock signal, and can also control the word line select...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11C7/04G11C7/22
CPCG11C7/04G11C7/222
Inventor 薛子恒潘荣华
Owner GIGADEVICE SEMICON (BEIJING) INC