{"id":10972,"date":"2024-06-01T11:49:23","date_gmt":"2024-06-01T11:49:23","guid":{"rendered":"https:\/\/www.fambach.net\/?p=10972"},"modified":"2024-06-03T19:15:51","modified_gmt":"2024-06-03T19:15:51","slug":"ttl7402","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/ttl7402\/","title":{"rendered":"TTL IC 7402"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Fakten\" title=\"Facts\">Facts<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Schaltzeichen_fur_NAND\" title=\"Schaltzeichen f\u00fcr NAND\">Schaltzeichen f\u00fcr NAND<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Schaltplan\" title=\"Schematic\">Schematic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Wahrheitstabelle\" title=\"Wahrheitstabelle\">Wahrheitstabelle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Logiktester\" title=\"Logiktester\">Logiktester<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Datenblatt\" title=\"Datenblatt\">Datenblatt<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Anwendungsbereiche\" title=\"Areas of application\">Areas of application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Ansichten\" title=\"Views\">Views<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Schaltung\" title=\"Schaltung\">Schaltung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Test\" title=\"Test\">Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Programm\" title=\"Programm\">Programm<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Probleme\" title=\"Problems\">Problems<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Im_Ruhezustand_ist_die_Rote_LED_aus\" title=\"Im Ruhezustand ist die Rote LED aus\">Im Ruhezustand ist die Rote LED aus<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Sonstiges\" title=\"Miscellaneous\">Miscellaneous<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#NOT_Schaltung\" title=\"NOT Schaltung\">NOT Schaltung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#AND_Schaltung\" title=\"AND Schaltung\">AND Schaltung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#OR_Schaltung\" title=\"OR Schaltung\">OR Schaltung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#NOR_Schaltung\" title=\"NOR Schaltung\">NOR Schaltung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#RS-FlipFlop\" title=\"RS-FlipFlop\">RS-FlipFlop<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#XNOR\" title=\"XNOR\">XNOR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#XOR\" title=\"XOR\">XOR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Platine_Gelotet\" title=\"Platine Gel\u00f6tet\">Platine Gel\u00f6tet<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Ansicht\" title=\"Ansicht\">Ansicht<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Materialliste_BOM\" title=\"Materialliste (BOM)\">Materialliste (BOM)<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Fazit\" title=\"Conclusion\">Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Verwandte_Beitrage\" title=\"Related Posts\">Related Posts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Quellen\" title=\"Sources\">Sources<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/#Log\" title=\"Log\">Log<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Der 7402 ist der zweite IC in meiner neuen TTL Serie. Er hat vier NOR Gatter mit jeweils zwei Eing\u00e4ngen. Man k\u00f6nnte sich nun fragen &#8222;Wo ist nach dem 7400 der 7401 geblieben?&#8220;. Der 7401 ist Baugleich mit dem 7400 nur dass er einen Open Collector verwendet. Auf die Open Collector Technik gehe ich evtl. in sp\u00e4teren Betrachtungen noch n\u00e4her ein.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.fambach.net\/en\/ttlerklaert\/\" data-type=\"post\" data-id=\"10909\">Was ist ein TTL IC?<\/a><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fakten\"><\/span>Facts<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Schaltzeichen f\u00fcr NOR<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"629\" height=\"109\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-14_08_54.jpg\" alt=\"\" class=\"wp-image-11073\"\/><figcaption class=\"wp-element-caption\">NOR Schaltzeichen &#8211;  Quelle: <a href=\"https:\/\/de.wikipedia.org\/wiki\/Logikgatter\">https:\/\/de.wikipedia.org\/wiki\/Logikgatter<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">IC Schaltplan<\/h2>\n\n\n\n<p>4 NOR-Gatter sowie Anschl\u00fcsse f\u00fcr die Versorgungsspannung.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"529\" height=\"387\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-03-21_01_23-1.jpg\" alt=\"\" class=\"wp-image-11135\"\/><figcaption class=\"wp-element-caption\">7402 &#8211; Inerne Beschaltung (Quelle: TTL-Taschenbuch)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Zustandstabelle<\/h2>\n\n\n\n<p>NOR-Gatter<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>#<\/th><th>1\/2\/3\/4 A<\/th><th>1\/2\/3\/4 B<\/th><th>1\/4\/10\/13<\/th><\/tr><\/thead><tbody><tr><td>001<\/td><td>0<\/td><td>0<\/td><td>1<\/td><\/tr><tr><td>002<\/td><td>1<\/td><td>0<\/td><td>0<\/td><\/tr><tr><td>003<\/td><td>0<\/td><td>1<\/td><td>0  <\/td><\/tr><tr><td>004<\/td><td>1<\/td><td>1<\/td><td>0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Wahrheitstabelle NOR<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Simulation<\/h2>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"202\" height=\"93\" data-id=\"11022\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-09_54_24.jpg\" alt=\"\" class=\"wp-image-11022\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"203\" height=\"90\" data-id=\"11020\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-09_55_32.jpg\" alt=\"\" class=\"wp-image-11020\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"201\" height=\"91\" data-id=\"11023\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-09_55_15.jpg\" alt=\"\" class=\"wp-image-11023\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"201\" height=\"91\" data-id=\"11021\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-09_55_55.jpg\" alt=\"\" class=\"wp-image-11021\"\/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Logiktester\"><\/span>Logiktester<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Mal schauen ob der vorhandene IC funktioniert und erkannt wird.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"932\" height=\"647\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-05-28-08_31_36.jpg\" alt=\"\" class=\"wp-image-10981\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Datenblatt\"><\/span>Datenblatt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>https:\/\/www.ti.com\/product\/de-de\/SN7402<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\"  class=\"wp-block-file__embed\" data=\"https:\/\/www.fambach.net\/wp-content\/uploads\/sn7402.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of sn7402.\"><\/object><a id=\"wp-block-file--media-6ccd3078-f5db-4cbe-9655-e5a780287bb7\" href=\"https:\/\/www.fambach.net\/wp-content\/uploads\/sn7402.pdf\">sn7402<\/a><a href=\"https:\/\/www.fambach.net\/wp-content\/uploads\/sn7402.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-6ccd3078-f5db-4cbe-9655-e5a780287bb7\">Download<\/a><\/div>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Anwendungsbereiche\"><\/span>Areas of application<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul>\n<li>1 aus N Ausschalter, sobald ein Eingang auf High ist geht der Strom aus.<\/li>\n\n\n\n<li>In Computer Anfang der 60er bis ca Ende der 90er <\/li>\n\n\n\n<li>Fenstersteuerung, zwei \u00d6ffner-Kontake (oben und unten), wenn Fenster komplett ge\u00f6ffnet, beide  Eing\u00e4nge auf LOW, Ausgang High =&gt; WarnLED an.<\/li>\n\n\n\n<li>Inverter, Eing\u00e4nge verbunden.<\/li>\n\n\n\n<li>Logische Abfolgen<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ansichten\"><\/span>Views<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-0 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"610\" height=\"287\" data-id=\"10984\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/7402_top.jpg\" alt=\"\" class=\"wp-image-10984\"\/><figcaption class=\"wp-element-caption\">7402 &#8211; 4x NOR Gatter &#8211; Vorderseite<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.fambach.net\/en\/?attachment_id=10985\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"307\" data-id=\"10985\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/7402_bottom.jpg\" alt=\"\" class=\"wp-image-10985\"\/><\/a><figcaption class=\"wp-element-caption\">7402 &#8211; 4x NOR Gatter &#8211; R\u00fcckseite<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Schaltung\"><\/span>Schaltung<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1083\" height=\"597\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-05-31-12_03_58.jpg\" alt=\"\" class=\"wp-image-11012\"\/><figcaption class=\"wp-element-caption\">7402 &#8211; Schaltplan Testschaltung mit NOR Gatter 4 (Zur Erstellung wurde <a href=\"https:\/\/fritzing.org\/\">Fritzing <\/a>verwendet)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"694\" height=\"771\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-05-31-12_24_10.jpg\" alt=\"\" class=\"wp-image-11013\"\/><figcaption class=\"wp-element-caption\">7402 &#8211; Steckanleitung Testschaltung mit NOR Gatter 4 (Zur Erstellung wurde <a href=\"https:\/\/fritzing.org\/\">Fritzing <\/a>verwendet)<\/figcaption><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Test\"><\/span>Test<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"325\" data-id=\"11018\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/NOR-Gatter-AL-BL-ZH1.jpg\" alt=\"\" class=\"wp-image-11018\"\/><figcaption class=\"wp-element-caption\">NOR-Gatter &#8211; Beide Eing\u00e4nge auf LOW =&gt; Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"324\" data-id=\"11016\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/NOR-Gatter-AH-BL-ZL.jpg\" alt=\"\" class=\"wp-image-11016\"\/><figcaption class=\"wp-element-caption\">NOR-Gatter &#8211; Eingang A auf HIGH, B auf LOW=&gt; Ausgang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"339\" data-id=\"11017\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/NOR-Gatter-AL-BH-ZL.jpg\" alt=\"\" class=\"wp-image-11017\"\/><figcaption class=\"wp-element-caption\">NOR-Gatter &#8211; Eingang A auf LOW, B auf HIGH=&gt; Ausgang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"324\" data-id=\"11015\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/NOR-Gatter-AH-BH-ZL.jpg\" alt=\"\" class=\"wp-image-11015\"\/><figcaption class=\"wp-element-caption\">NOR-Gatter &#8211; Beide Eing\u00e4nge auf HIGH =&gt; Ausgang LOW<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"TTL IC 7402 NOR Logic\" width=\"840\" height=\"630\" src=\"https:\/\/www.youtube.com\/embed\/V50-1EDPCw4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">NOR-Gatter &#8211; Video zu den Bildern<\/figcaption><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Programm\"><\/span>Programm<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">\/** OR function <br>*\/<br>bool or(bool e1, bool e2){<br>  if(e1 || e2){<br>    return true;<br>  } <br>  return false;<br>}<br><br>\/** not function*\/<br>bool not(bool e1){<br>  return !e1;<br>}<br><br>\/** NOR function*\/<br>bool nor(bool e1, bool e2){<br>  return not(or(e1,e2));<br>}<br><br>void main(){<br>  bool ausgang1 = nor(true, true); <br>  \/\/ Some output <br>}<br><\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Probleme\"><\/span>Problems<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Im_Ruhezustand_ist_die_Rote_LED_aus\"><\/span>Im Ruhezustand ist die Rote LED aus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nicht alle ICs ziehen automatisch die Eing\u00e4nge auf Masse, um das Problem zu beheben m\u00fcssen Pulldown-Widerst\u00e4nde zwischen dem Eingang und Masse geschaltet werden. 1kOhm ist OK kann auch mehr sein.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sonstiges\"><\/span>Miscellaneous<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Andere Logiken mit NOR implementieren<\/h2>\n\n\n\n<p>Auch das 7402 vierfach NOR-Gatter ist wie der 7400 sehr flexibel und kann alle Grundschaltungen implementieren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NOT_Schaltung\"><\/span>NOT Schaltung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>F\u00fcr eine Not Schaltung werden zwei Eing\u00e4nge eines NOR Gatters verbunden. Zum Beispiel verbindet man Pin 11 und 12 das anliegende Eingangssignal wird dann invertiert am Ausgang 13 ausgegeben.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Eingang A (12)<\/th><th>B (13)<\/th><th>Ausgang Z (11)<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>=A<\/td><td>0<\/td><\/tr><tr><td>0<\/td><td>=A<\/td><td>1<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">7402 &#8211; Gatter Eingang A und B verbunden =&gt; NOT Gatter<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"211\" height=\"101\" data-id=\"11025\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-09_59_20.jpg\" alt=\"\" class=\"wp-image-11025\"\/><figcaption class=\"wp-element-caption\">7402- Not Schaltung Eingang LOW, Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"201\" height=\"101\" data-id=\"11024\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-09_59_43.jpg\" alt=\"\" class=\"wp-image-11024\"\/><figcaption class=\"wp-element-caption\">7402- Not Schaltung Eingang HIGH, Ausgang LOW<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">7402 &#8211; NOT Schaltung<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"OR_Schaltung\"><\/span>OR Schaltung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>F\u00fcr die OR Schaltung werden zwei Gatter ben\u00f6tigt eins als NOR und eins als NOT beschaltet.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>#<\/th><th>A<\/th><th>B<\/th><th>C<\/th><th>D<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>0<\/td><\/tr><tr><td>2<\/td><td>1<\/td><td>0<\/td><td>1<\/td><td>1<\/td><\/tr><tr><td>3<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>1<\/td><\/tr><tr><td>4<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>1<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Wahrheitstabelle OR Schaltung<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"291\" height=\"91\" data-id=\"11029\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_00_31.jpg\" alt=\"\" class=\"wp-image-11029\"\/><figcaption class=\"wp-element-caption\">7402- OR Schaltung beide Eing\u00e4nge auf LOW, Ausgang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"291\" height=\"91\" data-id=\"11028\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_00_57.jpg\" alt=\"\" class=\"wp-image-11028\"\/><figcaption class=\"wp-element-caption\">7402- Eingang A HIGH, B LOW Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"291\" height=\"93\" data-id=\"11027\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_01_23.jpg\" alt=\"\" class=\"wp-image-11027\"\/><figcaption class=\"wp-element-caption\">7402- Eingang A LOW, B HIGH Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"291\" height=\"91\" data-id=\"11026\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_01_48.jpg\" alt=\"\" class=\"wp-image-11026\"\/><figcaption class=\"wp-element-caption\">7402- OR Schaltung beide Eing\u00e4nge auf HIGH, Ausgang HIGH<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">7402- OR Schaltung <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AND_Schaltung\"><\/span>AND Schaltung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Diese  Schaltung ben\u00f6tigt schon drei Gatter.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>#<\/th><th>A<\/th><th>B<\/th><th>!A<\/th><th>!B<\/th><th>Z<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><\/tr><tr><td>2<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>0<\/td><\/tr><tr><td>3<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><\/tr><tr><td>4<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Wahrheitstabelle AND Schaltung<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"321\" height=\"141\" data-id=\"11034\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_02_25.jpg\" alt=\"\" class=\"wp-image-11034\"\/><figcaption class=\"wp-element-caption\">7402- AND Schaltung beide Eing\u00e4nge LOW, Ausagang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"331\" height=\"141\" data-id=\"11033\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_02_46.jpg\" alt=\"\" class=\"wp-image-11033\"\/><figcaption class=\"wp-element-caption\">7402- AND Schaltung Eingang A HIGH, B LOW, Ausagang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"331\" height=\"141\" data-id=\"11032\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_03_10.jpg\" alt=\"\" class=\"wp-image-11032\"\/><figcaption class=\"wp-element-caption\">7402- AND Schaltung Eingang A LOW, B HIGH, Ausagang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"331\" height=\"141\" data-id=\"11031\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_03_35.jpg\" alt=\"\" class=\"wp-image-11031\"\/><figcaption class=\"wp-element-caption\">7402- AND Schaltung beide Eing\u00e4nge HIGH, Ausagang HIGH<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">NOR &#8211; AND Schaltung<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">NAND Schaltung<\/h2>\n\n\n\n<p>Diese  Schaltung ben\u00f6tigt vier Gatter und somit alle eines ICs.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>#<\/th><th>A<\/th><th>B<\/th><th>!A<\/th><th>!B<\/th><th>Y<\/th><th>Z<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>1<\/td><\/tr><tr><td>2<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>0<\/td><td>1<\/td><\/tr><tr><td>3<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><\/tr><tr><td>4<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Wahrheitstabelle NAND Schaltung<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-7 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"461\" height=\"141\" data-id=\"11039\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_04_00.jpg\" alt=\"\" class=\"wp-image-11039\"\/><figcaption class=\"wp-element-caption\">7402- NAND Schaltung beide Eing\u00e4nge LOW, Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"461\" height=\"141\" data-id=\"11038\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_04_26.jpg\" alt=\"\" class=\"wp-image-11038\"\/><figcaption class=\"wp-element-caption\">7402- NAND Schaltung Eingang A HIGH, B LOW, Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"461\" height=\"141\" data-id=\"11037\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_04_47.jpg\" alt=\"\" class=\"wp-image-11037\"\/><figcaption class=\"wp-element-caption\">7402- NAND Schaltung Eingang A LOW, B HIGH, Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"141\" data-id=\"11036\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_05_08.jpg\" alt=\"\" class=\"wp-image-11036\"\/><figcaption class=\"wp-element-caption\">7402 &#8211; NAND Schaltung beide Eing\u00e4nge HIGH, Ausgang LOW<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">7402- NAND Schaltung<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"RS-FlipFlop\"><\/span>RS-FlipFlop<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Mit den NOR Gattern ben\u00f6tigt man nur zwei Gatter somit kann man mit einem IC gleich zwei Bit speichern. Beim NOR Gatter RS-FlipFlop sind die Ausg\u00e4nge Q und !Q (nicht Q) vertauscht.<\/p>\n\n\n\n<p>Durch die R\u00fcckkopplung muss immer der Vorg\u00e4nger Zustand mit betrachtet werden. Zum Beispiel wurde Set auf HIGH gesetzt und dann wieder auf LOW bleibt Q1 HIGH.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>#<\/th><th>S<\/th><th>R<\/th><th>!S<\/th><th>!R<\/th><th>Q1<\/th><th>!Q1<\/th><th>Erl\u00e4uterung<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>*<\/td><td>*<\/td><td>Ausgangszustand<\/td><\/tr><tr><td>2<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>Set auf HIGH<\/td><\/tr><tr><td>3<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>Set gespeichert<\/td><\/tr><tr><td>4<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>Rest auf HIGH<\/td><\/tr><tr><td>5<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>1<\/td><td>Resetz gespeichert<\/td><\/tr><tr><td>6 <\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>Unzul\u00e4ssiger Zustand<\/td><\/tr><tr><td>7<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>Resetz wird gew\u00e4hlt<\/td><\/tr><tr><td>8<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>1<\/td><td>Reset gespeichert<\/td><\/tr><tr><td>9<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>Unzul\u00e4ssiger Zustand (2)<\/td><\/tr><tr><td>10<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>Set wird gew\u00e4hlt<\/td><\/tr><tr><td>11<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>Set Zustand gespeichert<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">7402- Wahrheitstabelle RS-FlipFlop Schaltung<\/figcaption><\/figure>\n\n\n\n<p>Zustand 6, beide Eing\u00e4nge auf HIGH, ist unzul\u00e4sseig. Der weitere Verlauf h\u00e4ngt davon ab welcher der beiden Eing\u00e4nge zuerst auf LOW gesetzt wird. Dies f\u00fchrt dazu dass der Jeweils andere z\u00e4hlt. Wird S zuerst auf LOW gesetzt z\u00e4hlt der R Eingang somit ist !Q1 aktiv. Im umgekehrten Fall wird R zuerst auf LOW gesetzt z\u00e4hlt der S Eingang und Q1 ist aktiv. <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-8 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"241\" height=\"161\" data-id=\"11043\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_05_38.jpg\" alt=\"\" class=\"wp-image-11043\"\/><figcaption class=\"wp-element-caption\">7402- RS FlipFlop beide Eing\u00e4nge auf LOW, beide Ausg\u00e4nge nich definiert<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"231\" height=\"161\" data-id=\"11042\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_06_14.jpg\" alt=\"\" class=\"wp-image-11042\"\/><figcaption class=\"wp-element-caption\">7402- RS FlipFlop Set Eingang HIGH, Ausgang Q HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"231\" height=\"161\" data-id=\"11041\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_06_38.jpg\" alt=\"\" class=\"wp-image-11041\"\/><figcaption class=\"wp-element-caption\">7402- RS FlipFlop Set Eingang LOW, Ausgang Q HIGH (gespeichert)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"231\" height=\"161\" data-id=\"11040\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_07_07.jpg\" alt=\"\" class=\"wp-image-11040\"\/><figcaption class=\"wp-element-caption\">7402- RS FlipFlop Reset Eingang HIGH, Ausgang !Q HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"241\" height=\"161\" data-id=\"11044\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_45_45.jpg\" alt=\"\" class=\"wp-image-11044\"\/><figcaption class=\"wp-element-caption\">7402- RS FlipFlop Reset Eingang LOW, Ausgang !Q HIGH (gespeichert)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"241\" height=\"161\" data-id=\"11045\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_47_10.jpg\" alt=\"\" class=\"wp-image-11045\"\/><figcaption class=\"wp-element-caption\">7402- RS FlipFlop beide Eing\u00e4nge auf HIGH, beide Ausg\u00e4nge HIGH unzul\u00e4ssiger Zustand.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"XNOR\"><\/span>XNOR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Der Ausgang ist immer HIGH wenn die Eing\u00e4nge gleiches Potential haben (A=B= LOW od. A=B=HIGH). F\u00fcr diese Schaltung ben\u00f6tigt man mehr als nur ein IC.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>#<\/th><th>A<\/th><th>B<\/th><th>!A<\/th><th>!B<\/th><th>C<\/th><th>D<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>1<\/td><td>1<\/td><\/tr><tr><td>2<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><\/tr><tr><td>3<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>1<\/td><td>0<\/td><\/tr><tr><td>4<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>0<\/td><td>1<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Wahrheitstabelle XNOR Schaltung<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-9 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"411\" height=\"181\" data-id=\"11049\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_08_11.jpg\" alt=\"\" class=\"wp-image-11049\"\/><figcaption class=\"wp-element-caption\">7402- XNOR Schaltung, beide Eing\u00e4nge LOW, Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"411\" height=\"181\" data-id=\"11046\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_08_50.jpg\" alt=\"\" class=\"wp-image-11046\"\/><figcaption class=\"wp-element-caption\">7402- XNOR Schaltung, Eingang A HIGH, B LOW, Ausgang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"411\" height=\"181\" data-id=\"11047\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_09_12.jpg\" alt=\"\" class=\"wp-image-11047\"\/><figcaption class=\"wp-element-caption\">7402- XNOR Schaltung, Eingang A HIGH, B LOW, Ausgang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"411\" height=\"181\" data-id=\"11048\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_09_34.jpg\" alt=\"\" class=\"wp-image-11048\"\/><figcaption class=\"wp-element-caption\">XOR- XNOR Schaltung, beide Eing\u00e4nge HIGH, Ausgang HIGH<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">NOR &#8211; XNOR Schaltung<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"XOR\"><\/span>XOR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Beim XOR ist der Ausgang HIGH wenn die Eing\u00e4nge unterschiedliedlich sind. F\u00fcr diese Schaltung ben\u00f6tigt man schon 1,5 ICs.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>#<\/th><th>A<\/th><th>B<\/th><th>!A<\/th><th>!B<\/th><th>C<\/th><th>D<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>0<\/td><td>1<\/td><td>0<\/td><\/tr><tr><td>2<\/td><td>1<\/td><td>0<\/td><td>0<\/td><td>0<\/td><td>1<\/td><td>1<\/td><\/tr><tr><td>3<\/td><td>0<\/td><td>1<\/td><td>1<\/td><td>1<\/td><td>1<\/td><td>1<\/td><\/tr><tr><td>4<\/td><td>1<\/td><td>1<\/td><td>0<\/td><td>1<\/td><td>0<\/td><td>0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Wahrheitstabelle XOR Schaltung<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-10 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"181\" data-id=\"11054\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_09_57.jpg\" alt=\"\" class=\"wp-image-11054\"\/><figcaption class=\"wp-element-caption\">7402- XOR Schaltung, beide Eing\u00e4nge LOW, Ausgang LOW<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"181\" data-id=\"11053\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_10_17.jpg\" alt=\"\" class=\"wp-image-11053\"\/><figcaption class=\"wp-element-caption\">7402- XNOR Schaltung Eingang A HIGH, B LOW Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"181\" data-id=\"11052\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_10_34.jpg\" alt=\"\" class=\"wp-image-11052\"\/><figcaption class=\"wp-element-caption\">7402- XNOR Schaltung Eingang A LOW B HIGH, Ausgang HIGH<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"181\" data-id=\"11051\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2024-06-01-10_10_54.jpg\" alt=\"\" class=\"wp-image-11051\"\/><figcaption class=\"wp-element-caption\">7402- XOR Schaltung, beide Eing\u00e4nge HIGH, Ausgang LOW<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">NOR &#8211; XOR Schaltung<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Platine_Gelotet\"><\/span>Platine Gel\u00f6tet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nachdem ich bei dem 7400 erstmal wieder in die Thematik reinkommen musste, ging es jetzt beim 7402 schon viel schnelle. Dennoch habe ich noch einen Denkfehler gemacht, man beachte die L\u00f6tbr\u00fccke rechts unten die von einen Widerstand gekr\u00e4uzt wird. Die untere Pinleiste ist nicht angeschlossen, das habe ich mir erstmal gespart, ich h\u00f6tte diese direkt an den IC setzen sollen.  Die Jumper trennen die Taster und LED s vom IC sollten andere Schaltungen gesteckt werden. Die Pins sind zum Verbinden der andern Gatter. Ich habe zwei Widerst\u00e4nde eingespart indem ich die LED in reihe zu den Pulldown Widerst\u00e4nden geschaltet haben. Die 4,5v Versorgungsspannung  &#8211; 1,5V Diodenspannung sind noch \u00fcber 2,4V und somit ein HIGH ;).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ansicht\"><\/span>Ansicht<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-11 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"293\" data-id=\"11085\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/7402PlatineVorderseite.jpg\" alt=\"\" class=\"wp-image-11085\"\/><figcaption class=\"wp-element-caption\">7402 L\u00f6tplatine &#8211; Frontseite <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"289\" data-id=\"11083\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/7402PlatineRueckseite.jpg\" alt=\"\" class=\"wp-image-11083\"\/><figcaption class=\"wp-element-caption\">7402 L\u00f6tplatine &#8211; R\u00fcckseite<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Materialliste_BOM\"><\/span>Materialliste (BOM)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Bauteil<\/th><th>Anzahl<\/th><\/tr><\/thead><tbody><tr><td>LED Gr\u00fcn\/Gelb\/Rot (K\u00f6nnen auch die gleich Farbe haben)<\/td><td>3<\/td><\/tr><tr><td>Jumper (Rot, Gr\u00fcn und Gelb entsp. den LED Farben gew\u00e4hlt)<\/td><td>3<\/td><\/tr><tr><td>2 Polig Pins gerade<\/td><td>3<\/td><\/tr><tr><td>2 Polig Pins abgewingkelt f\u00fcr die Stromversorgung<\/td><td>1<\/td><\/tr><tr><td>7 Polig Pins f\u00fcr zus\u00e4tzliche Verbindungen <\/td><td>3<\/td><\/tr><tr><td>Taster mit langen Dr\u00fccker<\/td><td>2<\/td><\/tr><tr><td>1K Widerstand (Pulldown\/Vorwiederstand f\u00fcr LED)<\/td><td>3<\/td><\/tr><tr><td>IC Sockel 14 Polig<\/td><td>1<\/td><\/tr><tr><td>Silberbdraht f\u00fcr die Verbidnungen auf der R\u00fcckseite<\/td><td>?<\/td><\/tr><tr><td>L\u00f6tzinn<\/td><td>? <\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">7402 L\u00f6tplatine Materialliste<\/figcaption><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fazit\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>Der 7402 ist nicht weniger faszinierended als der 7400. Beim RS FlipFlop hat er einen klaren Vorteil, hier lassen sich gleich 2 Bit in einem IC Speichern. Auch wenn das f\u00fcr heutige Speicherchips verschwindend gering ist, Stellt dies die Basis f\u00fcr alle neuen Techniken dar. <\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Verwandte_Beitrage\"><\/span>Related Posts<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n<ul class=\"display-posts-listing\">\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/ttl7402\/\">TTL IC 7402<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/ttlerklaert\/\">TTL &#8211; Transistor Transistor Logik IC&#8217;s<\/a><\/li>\n<li class=\"listing-item\"><a class=\"title\" href=\"https:\/\/www.fambach.net\/en\/ttl7400\/\">TTL IC 7400<\/a><\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quellen\"><\/span>Sources<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p><a href=\"https:\/\/de.wikipedia.org\/wiki\/7402\">https:\/\/de.wikipedia.org\/wiki\/7402<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/logigator.com\/editor\">https:\/\/logigator.com\/editor<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/sourceforge.net\/projects\/circuit\">https:\/\/sourceforge.net\/projects\/circuit<\/a> (Logik Simu, Verwende ich f\u00fcr meine Zeichnungen)<\/p>\n\n\n\n<p><a href=\"https:\/\/fritzing.org\" target=\"_blank\" rel=\"noreferrer noopener\">Fritzing Schaltplan Tool<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cburch.com\/logisim\/de\/index.html\">LogiSim &#8211; Schaltungssimulator<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/archive.org\/details\/das_ttl_kochbuch\/\">TTL-Kochbuch<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.elektronik-kompendium.de\/service\/ttlcode.php\">TTL-Code-Datenbank<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.elektronik-kompendium.de\">https:\/\/www.elektronik-kompendium.de<\/a><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Log\"><\/span>Log<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Date<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>26.05.2024<\/td><td>Beitrag angelegt<\/td><\/tr><tr><td>27.05.2024<\/td><td>Am Schaltplan verwirrt mich die Benennung. Hier ist bspw. der Eingang B des 4. Norgatters mit 4Y Bezeichnet. Die Benennung sollte aber f\u00fcr die Eing\u00e4nge Buchstaben am Anfang des Alphabets verweden und f\u00fcr die Ausg\u00e4nge am ENDE. Ich habe aber kein Bild gefunden welches benannt ist. (evtl mal im TTL Buch checken) Im Datenblatt sind sie wiederum richtig.<\/td><\/tr><tr><td>29.05.2024<\/td><td>Schaltung auf Steckbrett aufgebaut und Bilder gemacht.<\/td><\/tr><tr><td>30.05.2024<\/td><td>Logic Gatter in Simu aufgebaut.<\/td><\/tr><tr><td>01.06.2024<\/td><td>Beitrag ist erstmal fertig und ver\u00f6ffentlicht.<\/td><\/tr><tr><td>01.06.2024<\/td><td>Platine gel\u00f6tet und fotographiert.<\/td><\/tr><tr><td>03.06.2024<\/td><td>7402 im TTL-Handbuch nachgeschlagen, Bezeichnung aus dem Inet ist falsch. Bild ausgetauscht.<\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><br><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><tr><td><\/td><td><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">LOG<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Der 7402 IC umfasst 4 NOR-Gatter mit jeweils zwei Eing\u00e4ngen. Er ist so vielf\u00e4ltig wie sein Vetter 7400.<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/ttl7400\/\" class=\"read-more-link\">Continue reading <span class=\"screen-reader-text\">\"TTL IC 7400\"<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a>","protected":false},"author":1,"featured_media":10986,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[785],"tags":[788,787,283,786],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/10972"}],"collection":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/comments?post=10972"}],"version-history":[{"count":26,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/10972\/revisions"}],"predecessor-version":[{"id":11140,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/10972\/revisions\/11140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/10986"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=10972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=10972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=10972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}