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select circuit

A technology for selecting circuits and timing control, applied to logic circuits, logic circuits with multiple states, electrical components, etc., can solve the problems of complex structure, multiple control lines of selection circuits, etc., and achieve less control lines, convenient and orderly control, The effect of simple structure

Active Publication Date: 2022-05-03
SHENZHEN FINGERCHIP INTELLIGENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a selection circuit to solve the problem of multiple control lines and complex structure of the selection circuit in the prior art

Method used

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Embodiment Construction

[0021] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0022] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0023] A selection circuit provided by an embodiment of the present invention includes: a reset signal unit, a clock pulse unit, a plurality of sequence control units connected in sequence, and a plurality of logic output units;

[0024] The output end of the clock pul...

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Abstract

The present invention is applicable to the technical field of analog circuits, and provides a selection circuit, including a reset signal unit, a clock pulse unit, a plurality of sequence control units sequentially connected and a plurality of logic output units; The clock pulse input terminal of the first sequential control unit in the connected sequential control unit is connected, the output terminal of the reset signal unit is respectively connected with the reset signal input terminal of each sequential control unit, and the input terminal of each logic output unit is respectively One of the output terminals of each timing control unit is connected, and the output terminal of each timing control unit includes a positive signal output terminal and a negative signal output terminal. When the selection circuit provided by the invention realizes multi-choice output, the control circuit is small, the structure is simple, and the control is convenient.

Description

technical field [0001] The invention belongs to the technical field of analog circuits, and in particular relates to a selection circuit. Background technique [0002] With the rapid development of the electronics industry, various electronic products appear in people's lives, most of these electronic products need to have the function of selecting output, and relevant technicians usually use data selectors or other selection circuits to achieve this. function, but the data selector and the conventional selection circuit need at least four input terminals for selecting one out of sixteen, and at least five input terminals for selecting one out of thirty-two. When facing a large number of line selection outputs, more The input circuit is controlled, and the structure is complex. Contents of the invention [0003] In view of this, an embodiment of the present invention provides a selection circuit to solve the problems in the prior art that the selection circuit has many co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K19/096H03K19/00
CPCH03K19/0002H03K19/096
Inventor 余俊易海平
Owner SHENZHEN FINGERCHIP INTELLIGENT TECH