Using T flip flops, design a 3 bit counter which counts in the sequence:  111, 110, 101, 100, 011, 010, 001, 000, (repeat)111... (a) complete the following truth table with next stages and flip flop inputs CBA C+B+A+ TcTbTa 000     001     010     011     100     101     110     111     (b) Draw the Karnaugh maps for Tc, Tb, Ta

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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Using T flip flops, design a 3 bit counter which counts in the sequence: 

111, 110, 101, 100, 011, 010, 001, 000, (repeat)111...

(a) complete the following truth table with next stages and flip flop inputs

CBA C+B+A+ TcTbTa
000    
001    
010    
011    
100    
101    
110    
111    

(b) Draw the Karnaugh maps for Tc, Tb, Ta

(c) Using the Kamaugh maps, find the minimum sum of product for Tc, Tb, Ta

 

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