En esta configuración mostrada al ser disparado por una transición del nivel alto al nivel bajo en el pino 2, el 555 mantiene su salida en el nivel alto por un tiempo dado en la fórmula junto al diagrama básico de la figura. Este tiempo que depende de R y C puede alcanzar hasta más de 1 hora desde que el capacitor usado no tenga fugas apreciables. R no debe tener un valor inferior a 1 k ohms, y los tiempos se pueden determinar mejor con la ayuda de la figura. Para 10 M ohms y 100 nF, por ejemplo obtenemos un tiempo de segundo y con 10 nF obtenemos 0,1 segundos.

 


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18.817MBMemory Usage40.26msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.16
Identityguest
Response200
Templatecassiopeia
Database
Server
mysql
Version
10.5.22-MariaDB
Collation
latin1_swedish_ci
Conn Collation
utf8mb4_general_ci
$_GET
[]
$_POST
[]
$_SESSION
array:1 [ "joomla" => "***redacted***" ]
$_COOKIE
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$_SERVER
array:52 [ "USER" => "apache" "HOME" => "/usr/share/httpd" "SCRIPT_NAME" => "/index.php" "RE...
session
array:3 [ "counter" => 4 "timer" => array:3 [ "start" => 1742248724 "last" => 1742248727...
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array:3 [ "data" => [] "initialized" => false "separator" => "." ]
user
array:21 [ "id" => 0 "name" => null "username" => null "email" => null "password" => "***r...
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  • After Access::preloadComponents (all components) (107.06KB) (378μs)
  • Before Access::preloadPermissions (com_content) (1.57KB) (9μs)
  • After Access::preloadPermissions (com_content) (16.19MB) (19.49ms)
  • Before Access::getAssetRules (id:4117 name:com_content.article.7916) (514.65KB) (624μs)
  • After Access::getAssetRules (id:4117 name:com_content.article.7916) (7.38KB) (39μs)
  • afterRenderComponent com_content (337.9KB) (6.77ms)
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  • beforeRenderRawModule mod_articles_category (Banco de Circuitos) (359.23KB) (1.79ms)
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  • afterRenderRawModule mod_finder (Busca_inteligente) (129.29KB) (1.18ms)
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  • afterRenderModule mod_articles_category (Banco de Circuitos) (5.39KB) (78μs)
  • beforeRenderModule mod_finder (Busca_inteligente) (6.39KB) (259μs)
  • afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (51μs)
  • afterRender (251.42KB) (3.35ms)
  • 1 x After Access::preloadPermissions (com_content) (16.19MB) (48.4%)
    19.49ms
    1 x afterRenderComponent com_content (337.9KB) (16.81%)
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    1 x afterInitialise (1.14MB) (8.37%)
    3.37ms
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    1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (359.23KB) (4.44%)
    1.79ms
    1 x afterRenderRawModule mod_finder (Busca_inteligente) (129.29KB) (2.94%)
    1.18ms
    1 x afterRoute (89.99KB) (1.83%)
    736μs
    1 x Before Access::getAssetRules (id:4117 name:com_content.article.7916) (514.65KB) (1.55%)
    624μs
    1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (10.1KB) (1.49%)
    602μs
    1 x beforeRenderComponent com_content (100.75KB) (1.07%)
    429μs
    1 x After Access::preloadComponents (all components) (107.06KB) (0.94%)
    378μs
    1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (0.87%)
    350μs
    1 x afterLoad (85.73KB) (0.69%)
    277μs
    1 x beforeRenderModule mod_finder (Busca_inteligente) (6.39KB) (0.64%)
    259μs
    1 x Before Access::preloadComponents (all components) (33.45KB) (0.5%)
    200μs
    1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.24%)
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21 statements were executed, 5 of which were duplicates, 16 unique10.9ms1.52MB
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  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `incbmx_categories` AS `s` INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`174μs3.91KBParams/libraries/src/Categories/Categories.php:375Copy
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  • SELECT `name`,`element` FROM `incbmx_extensions` WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1148μs1.89KB/administrator/components/com_finder/src/Helper/LanguageHelper.php:135Copy
  • SELECT `title` FROM `incbmx_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)89μs648B/administrator/components/com_finder/src/Indexer/Taxonomy.php:325Copy
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