基于74系列逻辑芯片的八路抢答器设计和改进  

Design and Improvement of the Eight way Answer Device Based on 74 Series Logic Chip

作　　者：赵琳玮 黄艳艳 侯慧娜 ZHAO Linwei;HUANG Yanyan;HOU Huina(Air Force Engineering University,Civil Servant School of Aviation Maintenance,Henan 464000,China)

机构地区：[1]空军工程大学航空机务士官学校,河南464000

出　　处：《电子技术（上海）》2022年第10期15-17,共3页Electronic Technology

摘　　要：阐述以74系列集成芯片为基础的改进的八路抢答器设计。在74系列集成芯片基础上实现使用较少的逻辑芯片显示数字“1,2,3,4,5,6,7,8”,解决了显示数字从“0”开始的问题。设计中利用74系列集成芯片性能稳定、功能强大、可靠性高、成本低等优点,在短时间内完成抢答识别功能。This paper describes the design of an improved eight way answering device based on 74series integrated chips.On the basis of 74 series integrated chips,the digital display of "1,2,3,4,5,6,7,8" is realized by using fewer logic chips,which solves the problem of starting from "0".In the design,the advantages of 74 series integrated chips,such as stable performance,powerful functions,high reliability and low cost,are used to complete the function of quick response identification in a short time.

关 键 词：逻辑电路 抢答器 74系列集成芯片 MULTISIM 

分 类 号：TN79[电子电信—电路与系统]