ECET 105 Week 3 Homework Assignment # 3
1. Determine the output X for the 2-input AND gate with the input waveforms shown.
1. Determine the output X for the 2-input OR gate with the input waveforms shown.
1. Determine the output X for the 2-input Exclusive-OR gate with the input waveforms shown.
2. Determine the output X for the 2-input NAND gate with the input waveforms shown.
1. Is the output from the NAND gate shown in Problem 4 active-HIGH or active-LOW? Why?
2. Download from a semiconductor manufacturer’s website (such as ti.com) the data sheet for a DIP packaged quad NOR gate (74×02). What pins does this chip use for the inputs to the first gate?
3. Draw a logic circuit that performs the following Boolean expression: Y = A * B.
1. Draw a logic circuit that performs the following Boolean expression:
2. Which gate is represented by the truth table below?
1. Use a truth table to determine the function of the gate shown below.
ECET-105 Week 3 Lab: Introduction to Digital Logic Gates
Objectives:
- To understand basic logic functions (AND, OR, and NOT) and their complement used in Boolean algebra and digital logic design.
- To test simple logic small-scale integration (SSI) integrated circuit (IC) devices.
Results: ► Conclusions: ► Observations/Measurements: ► Questions: ▼
- Draw the schematic for a circuit that will function as indicated by the Boolean expression:
- Draw the schematic for a circuit that creates the equivalent of a XOR gate using AND, OR, and NOT gates.
- Why are the ICs used in this lab called SSI? What other terms are used for ICs? Be sure to cite your sources.