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Mixed latch trigger

A flip-flop and latch technology, applied to instruments, static indicators, pulse generation, etc., can solve the problem of high power consumption of triggers and achieve the effect of low power consumption

Inactive Publication Date: 2005-09-07
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In order to solve the problem of high power consumption of hybrid latch flip-flops in the prior art

Method used

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  • Mixed latch trigger
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  • Mixed latch trigger

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Embodiment Construction

[0031] see image 3 , is a structural block diagram of the hybrid latch flip-flop 300 of the present invention, the hybrid latch flip-flop 300 includes a clock signal input terminal 301, a negative pulse generator 310, a trigger unit 330, a buffer unit 350, a data input Terminal 303 and a data output terminal 305 , the trigger unit 330 includes a sampling unit 340 and a holding unit 349 .

[0032] The clock signal input terminal 301 is connected to the negative pulse generator 310, the negative pulse generator 310 is connected to the sampling unit 340 through the node 302, the sampling unit 340 is connected to the holding unit 349 through the node 304, and the holding unit is connected to the holding unit through the node 306 is connected to the cache unit 350 , the data input terminal 303 is connected to the sampling unit 340 , and the data output terminal 305 is connected to the cache unit 350 .

[0033] The negative pulse generator 310 can receive a clock signal from the c...

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Abstract

This invention discloses one LCD driver circuit mixture locking trigger, which comprises one positive impulse generator, one trigger unit and one buffer unit, wherein the trigger unit comprises one sample unit and one keep unit; due to the positive impulse generator, the sample unit uses six to seven transistors to make the invention of simple structure and low power. The invention can make the trigger data transmission capacity larger by one time without changing the clock frequency through double edge trigger means.

Description

【Technical field】 [0001] The present invention relates to a flip-flop, in particular to a hybrid latch flip-flop. 【Background technique】 [0002] At present, thin film transistor liquid crystal display (TFT-LCD) has gradually become the standard output device of various digital products, but it needs to design an appropriate driving circuit to ensure its stable operation. [0003] Generally, a liquid crystal display driving circuit can be divided into two parts, namely, a source driving circuit and a gate driving circuit. The source driving circuit is used to control the gray scale of each pixel unit of the TFT-LCD, and the gate driving circuit is used to control the scanning of each pixel unit. Both drive circuits use a shift register as the core circuit, and latches and flip-flops are the usual choices for shift registers. There are many types of flip-flops such as SR flip-flops, JK flip-flops, D flip-flops, and T flip-flops. Among them, D flip-flops are most commonly u...

Claims

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Application Information

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IPC IPC(8): G09G3/36H03K3/037H03K3/356
Inventor 谢朝桦彭家鹏
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD