Published:2011/6/5 5:16:00 Author:John | Keyword: 63 nary counter | From:SeekIC
63 nary counter formed by cascade preset number circuit: We can also form 10i counter or 16i counter by the cascade method and use the preset method to constitute an arbitrary nary counter. 63 nary counter can be formed by 100 nary counter composed of two 10 nary counters (74LS160) and then can achieve the function by preset method. Its counting state transition is shown in Figure 2. It should be noted that 74LS160 has a synchronous preset number features and has no transition state.
Figure 2 63 nary counter formed by cascade preset number transition circuit
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