基于TTL电路的倒数计数器设计及应用  

Design of the reciprocal counter based on TTL circuit

作　　者：谢浪清 

机构地区：[1]广东省惠州市技工学校,广东惠州516003

出　　处：《国外电子元器件》2007年第7期8-10,共3页International Electronic Elements

摘　　要：介绍了基于TTL电路设计的倒数计数器,该电路结构简单,调试方便,时间设置范围广,无需单片机开发系统和编程,用途广,易于制作。Design of the reciprocal counter based on TTL circuit is introduced. The circuit features simple structure,convenient debugging,wide range of setting time,without single chip computer development system, and the counter is widely used and easy to make.

关 键 词：TTL电路 倒数计数器 竞赛定时器 烹饪定时器 

分 类 号：TM923.61[电气工程—电力电子与电力传动]