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digital clock principle box circuit

2017-01-08 08:53  
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digital clock principle box circuit
Digital clock system1. Digital clock constitutes: oscillator, divider, counter, decoder, display and other parts 2. The hours, minutes and seconds of the digital clock actually consist of 24 nary counter (00 - 23) and two 60 nary cascaded counters (00-59). 3. Design of a 60 nary counter4. Design of a 24nary counter5. Design of a cascaded counter Figure: digital clock principle box circuit