{"id":34793,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/una-aportacion-al-diseno-de-circuitos-aritmeticos-mediante-logica-umbral\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"una-aportacion-al-diseno-de-circuitos-aritmeticos-mediante-logica-umbral","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/una-aportacion-al-diseno-de-circuitos-aritmeticos-mediante-logica-umbral\/","title":{"rendered":"Una aportacion al dise\u00f1o de circuitos aritmeticos mediante logica umbral."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jose Fernandez Ramos <\/strong><\/h2>\n<p>La l\u00f3gica umbral representa una interesante alternativa a la l\u00f3gica convencional en la realizaci\u00f3n de circuitos aritm\u00e9ticos.  en el presente trabajo se desarrolla esta aplicaci\u00f3n de la l\u00f3gica umbral introduciendo innovaciones tanto en la estructura de los circuitos que forman las puertas umbral como en la arquitectura de sumadores y multiplicadores umbral.  en relaci\u00f3n al primer caso, se presenta un nuevo tipo de puerta umbral, la puerta balanza, del que se establecen sus caracter\u00edsticas y propiedades fundamentales. Se aportan tres estructuras de circuito diferentes que corresponden a este tipo de puertas y, mediante simulaci\u00f3n, se analizan sus prestaciones en cuanto a velocidad de operaci\u00f3n, consumo de potencia, tama\u00f1o y fan-in.  en cuanto al segundo apartado, se han desarrollado estructuras b\u00e1sicas concretas que realizan las funciones aritm\u00e9ticas de suma y multiplicaci\u00f3n binarias teniendo en cuenta las restricciones que presentan las puertas umbral en cuanto a fan-in y peso m\u00e1ximo representado. En el caso de los sumadores de dos operandos, se presenta una nueva forma de obtenci\u00f3n de los bits de suma en la que se utilizan los acarreos de entrada y salida. Mediante la combinaci\u00f3n de este m\u00e9todo y una modificaci\u00f3n de la t\u00e9cnica del \u00abcarry lookahead adder\u00bb se propone una metodolog\u00eda general de realizaci\u00f3n de sumadores con puertas umbral que relaciona todos sus par\u00e1metros importantes: m\u00e1ximo fan-in de las puertas y profundidad y tama\u00f1o del circuito en funci\u00f3n del n\u00famero de bits a sumar. En el caso de los multiplicadores, se estudian varias posibilidades de realizaci\u00f3n de multiplicadores de 4 y 8 bits en diferente n\u00famero de niveles, indicando las ventajas e inconvenientes de cada uno y se propone un m\u00e9todo modular de extensi\u00f3n a un mayor n\u00famero de bits que aporta una regularidad en el dise\u00f1o muy adecuada para la implementaci\u00f3n en circuitos vlsi.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Una aportacion al dise\u00f1o de circuitos aritmeticos mediante logica umbral.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Una aportacion al dise\u00f1o de circuitos aritmeticos mediante logica umbral. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jose Fernandez Ramos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 M\u00e1laga<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Alfonso Carlos Gago Bohorquez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Ignacio Acha Catalina <\/li>\n<li>Justo Calvo Aguilar (vocal)<\/li>\n<li>Ram\u00f3n Ruiz Merino (vocal)<\/li>\n<li>Anton Civit Breu (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jose Fernandez Ramos La l\u00f3gica umbral representa una interesante alternativa a la l\u00f3gica convencional en la realizaci\u00f3n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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