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CONECTAR COMPUERTAS TTL OR DE 2 ENTRADAS CON LA LOGICA DE UNA COMPUERTA OR DE 4...
2y
Para conectar las compuertas OR de 2 entradas (SN74LS32N, cada una con cuatro compuertas OR de 2 entradas dentro) para emular el comportamiento de una compuerta OR de 4 entradas, necesitamos utilizar dos de estas compuertas en cascada. La idea es utilizar las primeras dos compuertas para manejar las cuatro entradas y luego usar una tercera compuerta para combinar las salidas de las dos primeras, produciendo así un resultado equivalente a una compuerta OR de 4 entradas.
Aquí tienes cómo conectarlo:
-
Primer Nivel de Compuertas:
- Conecta las primeras cuatro entradas (las entradas del sistema completo de 4 entradas) a dos compuertas OR de 2 entradas.
- Utiliza las compuertas 1 y 2 de U1 para las primeras dos entradas.
- Utiliza las compuertas 3 y 4 de U1 para las dos entradas restantes.
-
Conexiones Específicas:
- Conecta
Entrada 1a U1:1A. - Conecta
Entrada 2a U1:1B. (Salida U1:1Y representa la OR de Entrada 1 y Entrada 2) - Conecta
Entrada 3a U1:2A. - Conecta
Entrada 4a U1:2B. (Salida U1:2Y representa la OR de Entrada 3 y Entrada 4)
- Conecta
-
Segundo Nivel de Compuertas:
- Ahora, para combinar las salidas de las dos primeras compuertas OR de 2 entradas y obtener el comportamiento de una compuerta OR de 4 entradas, utiliza una tercera compuerta OR de 2 entradas (puedes usar U2 para esto).
-
Conexión Final:
- Conecta U1:1Y a U2:1A.
- Conecta U1:2Y a U2:1B. (Ahora, la salida U2:1Y representa la OR final de las cuatro entradas iniciales, actuando efectivamente como una compuerta OR de 4 entradas)
Es importante asegurarse de que cada chip tenga sus pines de alimentación (VCC) y tierra (GND) correctamente conectados para su funcionamiento. Para los chips SN74LS32N:
- Conecta U1:7 (GND) y U2:7 (GND) a tierra.
- Conecta U1:14 (VCC) y U2:14 (VCC) a la fuente de alimentación positiva.
De esta manera, has logrado simular el comportamiento de una compuerta OR de 4 entradas usando compuertas OR de 2 entradas. La flexibilidad de las compuertas lógicas TTL te permite crear configuraciones que se ajusten a necesidades específicas, como en este caso.
2y
4
Reviews
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