Logic Levels

Contributors: bri_huang

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Introduction

We live in a world of analog signals. In digital electronics, however, there are only two states – ON or OFF. Using these two states, devices can encode, transport, and control a great deal of data. Logic levels, in the broadest sense, describes any specific, discrete state that a signal can have. In digital electronics, we generally restrict our study to two logic states - Binary 1 and Binary 0.

In This Tutorial We’ll Examine

  • What is a logic level?
  • What are common standards for logic levels in digital electronics.
  • How to interface between different technologies.
  • Level shifting
  • Voltage Buck-Boost Regulators

You Should Know

This tutorial builds on basic electronics knowledge. If you haven’t already, consider reading these tutorials:


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