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Correct Mux / Decoder comparison
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@SebastianZug
SebastianZug authored Nov 14, 2023
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Expand Up @@ -141,9 +141,10 @@ y_3 &= \overline{A} \cdot B \cdot C
$$

```json @DigiSim.evalJson
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```


**Adressdekoder**

<!--
Expand Down Expand Up @@ -330,7 +331,7 @@ Wir werden dem Encoder bei der Diskussion der Peripherie eines Mikrocontrollers

## Multiplexer / Demultiplexer

Der Begriff _Multiplexing_ umfasst das serialisierte Senden eines oder mehrerer analoger oder digitaler Signale über eine gemeinsame Übertragungsleitung. Eine Mulitplexerschaltung bildet die Eingangssignale auf einen Kommunikationskanal ab, der Demultiplexer übernimmt die Abbildung auf n Ausgangsleitungen.
Eine Mulitplexerschaltung bildet analoge oder digitale Eingangssignale auf einen Kommunikationskanal ab, der Demultiplexer übernimmt die Abbildung auf n Ausgangsleitungen.

<!--
style="width: 80%; min-width: 420px; max-width: 720px;"
Expand All @@ -348,14 +349,14 @@ style="width: 80%; min-width: 420px; max-width: 720px;"
------> |/| |\|------>
+|| ||+
|| ||
s_0 s_1 a_0 a_1 .
"$a_0$ $a_1$" "$a_0$ $a_1$" .
```

| Multiplexer | Dekoder |
|---------------------------------------------------|--------------------------------------------------------------|
| mehrere Eingänge, ein Ausgang | mehrere Eingänge, mehrere Ausgänge |
| Steuerleitungen konfiguriereren die Weiterleitung | das Mapping wird allerdings durch die interne Logik bestimmt |
| wandelt den unären Code in einen binären Code um | wandelt den binären Code in einen unären Code um |
| Steuerleitungen konfiguriereren die Weiterleitung | das Mapping wird durch die interne Logik bestimmt |
| bildet den Pegel einer Eingangsleitung auf die Ausgangsleitung ab | wandelt den binären Code in einen unären Code um == aktiviert eine Ausgangsleitung |

### Multiplexer

Expand Down Expand Up @@ -458,4 +459,4 @@ Nunmehr können boolesche Funktionen als Schaltnetze abbilden? Was fehlt für de

2. Entwickeln Sie ein Schaltnetz, dass die Teilbarkeit durch drei von einer 4-stelligen binären Zahl prüft. Stellen Sie dazu eine Wahrheitstafel auf, minimieren Sie den Ausdruck soweit wie möglich und skizzieren Sie die Verdrahtung der Gatter.

> Wer möchte sich mit dem IC 505 beschäftigen?
> Wer möchte sich mit dem NE555 beschäftigen?

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