采用什么逻辑门电路实现半加器

2025-03-15 16:05:07
推荐回答(3个)
回答1:

用异或门(74LS86)和二与非门实现半加器,用两片74LS00与非门实现半加器。

最基本的逻辑关系是与、或、非,最基本的逻辑门是与门、或门和非门。逻辑门可以用电阻、电容、二极管、三极管等分立原件构成,成为分立元件门。也可以将门电路的所有器件及连接导线制作在同一块半导体基片上,构成集成逻辑门电路。

扩展资料:

简单的逻辑门可由晶体管组成。这些晶体管的组合可以使代表两种信号的高低电平在通过它们之后产生高电平或者低电平的信号。高、低电平可以分别代表逻辑上的“真”与“假”或二进制当中的1和0,从而实现逻辑运算。常见的逻辑门包括“与”闸,“或”闸,“非”闸,“异或”闸(也称:互斥或)等等。

逻辑门是组成数字系统的基本结构,通常组合使用实现更为复杂的逻辑运算。一些厂商通过逻辑门的组合生产一些实用、小型、集成的产品,例如可编程逻辑器件等。

这种功能代表了数字电路中理想开关表现的假定,但是在实际的反相器设计中,元件有其需要特别关注的电气特性。实际上,CMOS反相器的非理想过渡区表现使其能在模拟电路中用作A类功率放大器(如作为运算放大器的输出级)。

参考资料来源:百度百科--逻辑门电路

回答2:

(1)用异或门(74LS86)和二与非门实现半加器


(2)用两片74LS00与非门实现半加器

回答3:

采用什么逻辑门电路实现半加器
异或电路,这个你得学习一下,数字电路知识

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