3441Lab3 - Quad 2-Input OR Gate(74LS32 and a Red Diffused...

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Laboratory III: The Digital Design Process and Introduction to Computer Aided Design II Performed by Due October 12, 2007
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Goals of the Lab (1) To become familiar with LogicAid. (2) To become familiar with SimUaid. (3) To implement LogicAid in order to simplify a logic function. (4) To create a schematic using SimUaid. (5) To simulate our circuit using SimUaid. (6) To build our logic circuit. (7) To test our circuit. Procedures Step 1: Familiarize yourself with LogicAid and review SimUaid. Step 2: Use LogicAid to simplify your function. Our given function: F(A,B,C,D)=AB’+C+BD’ Function simplified with LogicAid: F(A,B,C,D)=AB’+C+BD’ Step 3: Create circuit schematic using SimUaid. See attached page for SimUaid schematic print out. Step 4: Run a simulation on your logic circuit using SimUaid. See attached page for SimUaid simulation print out. Step 5: Build your assigned function using TTL hardware. By using the following parts: Hex Inverter (74LS04), Quad 2-Input AND Gate (74LS08),
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Unformatted text preview: Quad 2-Input OR Gate (74LS32), and a Red Diffused LED (T 1-3/4). We built this circuit and demonstrated it to the TA. See attached page for signature. Conclusion This lab enabled us to learn how to use LogicAid in order to simplify our function, even though it was already simplified. Our function was one which consisted of two inverters, two logical AND gates and one three-input logical OR gate. In our schematic design on SimUaid, we were able to use one three-input logical OR gate. However, in reality we do not posses a TTL hardware device capable of a three-input logical OR gate. What we ended up doing is just connecting two inputs to one OR gate, then taking the resultant of the gate and combining it with the other input of a different OR gate. Then, our Function output was at the output of the last OR. This lab taught us how we have to be able to adapt in order to implement a logical function using a limited availability of hardware....
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