74LS160/162 is introduced as a typical middle scale integration (MSI) counter chip which is adopted here to design an arbitrary value counter. Feedback purchase zero law (replacement law) and feedback purchase number law (set bit law) are mainly adopted here. Finally the detailed designing steps will be given out.
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杨章勇. 计数器设计方法初探[J]. 科学技术与工程, 2007, (24): 6446-6449. YANG Zhang-yong. Methods Exploring on Counters Designing[J]. Science Technology and Engineering,2007,(24):6446-6449.