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Fuse trimming device

A fuse and trimming technology, which is applied in the direction of improving reliability and improving reliability with spare circuits, can solve the problems of single structure and function of fuse trimming devices, achieve diversity, reduce trimming costs, and improve Effect of Fuse Reliability

Active Publication Date: 2016-12-07
NO 24 RES INST OF CETC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a fuse trimming device to solve the problem of single structure and function of the current fuse trimming device

Method used

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Embodiment Construction

[0028] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the following describes the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings For further detailed explanation.

[0029] In the description of the present invention, unless otherwise specified and limited, it should be noted that the term "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be Directly connected or indirectly connected through an intermediary, those skilled in the art can understand the specific meanings of the above terms according to specific situations.

[0030] see figure 1 , is a ...

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Abstract

The invention provides a fuse trimming device, comprising a control circuit, a fuse circuit and a signal processing circuit, wherein the control circuit is used for controlling the signal processing circuit to output a virtual fusing signal input by the control circuit to the fuse circuit during virtual fusing; the control circuit is used for controlling the signal processing circuit to output a real fusing signal input by the control circuit to the fuse circuit during real fusing, and sending a signal indicating whether a fuse in the fuse circuit determined according to the performance of a corresponding circuit should be fused in the corresponding circuit after the real fusing signal is output to the corresponding circuit as the virtual fusing signal; and the fuse circuit is used for executing a fusing operation or a non-fusing operation on the fuse according to the received real fusing signal, generating a trimming signal the same as the real fusing signal after the operation is terminated, and outputting the trimming signal to the corresponding circuit. Since the fuse trimming device provided by the invention can carry out virtual fusing and real fusing, the variety of structures and functions of the fuse trimming device can be realized, and the trimming cost is reduced.

Description

technical field [0001] The invention belongs to the field of integrated circuits, and in particular relates to a fuse trimming device. Background technique [0002] With the development of integrated circuit technology, the design and manufacture of integrated circuits tend to be high-density, high-complexity, and programmable. In high-performance data converters, the core architecture is no different from the traditional architecture, and the performance improvement is mainly reflected in the high integration level brought about by low power consumption, feature size reduction, and more and more multi-functional programmability. As the feature size becomes lower and lower, various mismatches (resistance, capacitance, etc.) become more and more serious, resulting in lower and lower yield rates of products designed under the original architecture. One solution is to improve the yield rate by changing the system architecture, which will inevitably involve huge manpower and ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K19/003
CPCH03K19/00392
Inventor 赵思源廖望刘虹宏雷郎成刘文喆李鹏张盼盼
Owner NO 24 RES INST OF CETC
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