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Laboratory 1: Using SC-2075 & LabView to Understand Logic Behavior of IC Gates

Introduction

In this laboratory work, the aim is to acquaint participants with the laboratory setup and demonstrate the use of IC gates utilizing the NI SC-2075 breadboard interface and Labview software.

Lab Materials

  1. NI SC-2075
  2. ICs: 74HC00, 74HC02, 74HC04, 74HC86
  3. Wires, pliers

Concept

  • Usage of the NI SC-2075 breadboard
  • Implementation of a simple digital circuit
  • Usage of a Labview vi script to send values to and read from the implemented circuit
  • Investigation of the logic behavior of various IC gates, namely:
    • 74HC00 or 74HCT00 Quadruple 2 input NAND gates
    • 74HC02 or 74HCT02 Quadruple 2 input NOR gates
    • 74HC04 Hex inverters
    • 74HC86 Quadruple 2 input XOR gates

Preparation

  1. Obtain the datasheets of each IC from the web or a databook.
  2. Draw the wiring connections for each IC as required.
  3. Prepare the theoretical truth tables.
  4. Prepare the wiring connection diagram.
  5. Prepare a wiring connection diagram.
  6. Construct the theoretical truth table for part.

Lab Tasks

  1. Use one gate from each IC and obtain the truth table of the gate. Compare the results with the theoretical results.
  2. Using a single 7400 IC, connect a circuit that produces an inverter, a 2-input AND, a 2-input OR, and a 2-input XOR. Verify the truth table.
  3. Using a single 7400 IC, connect a circuit that implements the Boolean function F=AB + CD. Draw the circuit diagram, obtain the truth table for F, and verify the truth table.