Digital Electronics
Before we begin, I’ll warn you that there is a lot of information in this chapter, and it may be difficult to absorb all this at once. Some information is present largely for historical interest and to provide a better understanding of how complex digital systems such as microcontrollers work. My advice is to skim to your heart’s content, and pull out whatever information you find practical. The basic principles are still the same, but if you find that your design uses more than three ICs, you probably could be using a microcontroller (the subject of Chapter 13).
12.1   The Basics of Digital Electronics
Until now, ...

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