Everything for Electronics
Nuts & Volts Magazine (October 2004)


By Mark Balch    View In Digital Edition  

A reader recently asked me how to design a counter. Counters are a basic digital logic building block and have a multitude of uses. Counters advance through a consecutive numerical sequence — either up or down — each time a clock pulse is driven. They are used to divide high frequency clocks to yield lower frequency clocks, for state machines and basic event counting. You can design a counter from scratch with truth tables by applying Boolean logic. In this article, we will discuss using off-the


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