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Reset cells and chips

A reset unit and reset signal technology, applied in the field of circuits, can solve the problem that the reset unit cannot be compatible with long reset time

Active Publication Date: 2020-10-27
INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a reset unit and a chip to at least solve the technical problem in the related art that the reset unit is incompatible and realizes a long reset time with a simple circuit structure

Method used

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  • Reset cells and chips
  • Reset cells and chips
  • Reset cells and chips

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Embodiment Construction

[0028] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0029] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a reset unit and a chip. The reset unit comprises a reset signal charging circuit which is connected with a power supply and is used for charging after a power supply is energized and outputting a voltage signal, and a Schmitt buffer circuit which is connected with the reset signal charging circuit and is used for outputting a reset signal according to the voltage signal and the threshold voltage of the Schmitt buffer circuit. According to the invention, the technical problem that the reset unit cannot be compatible with long reset time in the case of a simple circuit configuration structure in the related art is solved.

Description

technical field [0001] The invention relates to the field of circuits, in particular to a reset unit and a chip. Background technique [0002] As Moore's Law goes deep into the sub-micron level, the integration of chips is getting higher and higher, and more and more functional modules are included on a single chip. System On Chip (SOC) has become an important part of integrated circuit design. the trend of. There are a large number of functional units such as status registers and control registers in the SOC chip. When the power is applied to the chip, the state of these registers is uncertain, and these uncertain states are likely to cause system misoperation. In order to eliminate possible misoperation, the chip generally introduces a power-on reset unit, which automatically generates a reset signal to refresh the initial value of the register when the power is turned on. [0003] Traditional power-on-reset units (such as figure 1 As shown) Utilizing the principle that...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/22
CPCH03K17/22
Inventor 朱致玖袁甲黑勇
Owner INST OF MICROELECTRONICS CHINESE ACAD OF SCI