基于光电忆阻器的新型加法器电路设计与仿真印技

A New Type Adder Circuit Design And Simulation Based on Photomemristor

目的忆阻器具有二值特性,在数字逻辑电路系统中有重要的研究与应用意义。方法在雪崩光电二极管的研究基础上构建光电忆阻器模型,确定了电路最佳元件参数,并使用该模型构建了基本数字电路逻辑门。结果结合基本数字电路逻辑门设计出基于光电忆阻器的新型加法器,在同一电路中实现了“与”、“或”、“异或”(AND-OR-XOR)的基本逻辑功能。结论使用仿真软件对该新型加法器进行了系统评价与测试,实验结果表明,本文提出新型加法器使用电子元器件少且构成电路所使用的忆阻器与CMOS技术完全兼容,可以实现更快的开关速度以及更高的集成密度。同时还有功耗低,结构简单,电路性能更优,相关参数设置约束条件要求不高,逻辑功能易于实现等优点,有着广泛的应用前景。

Objective With two-valued characteristics,the memristor is of great significance in application in digital logic circuit system.Methods We constructs a photomemristor model,which is based on the research of avalanche photodiodes.With the optimal component parameters of the circuit determined,we used this model to construct the basic digital circuit logic gates.Results And then designed a new adder.The basic logic functions of AND-OR-XOR were realized in this circuit.Conclusions Tests and systematic evaluation had been carried out on the modified adder through simulation software.The experimental results showed that the photomemristor used in the adder is fully compatible with CMOS technology.Applying it to digital circuits can achieve faster switching speeds and higher Integration density.This new type of adder is made of less electronic components and has the advantage of low power consumption,simple structure,better circuit performance,less restrictive requirements for related parameter settings and easy implementation of logic functions.And according to its output waveform,the model certainly has the function of a half adder which has a wide range of application prospects.