This circuit may make a tri-state logic pen or is installed in the multimeter and the digital logical experiment box. 该电路可做成三态逻辑笔或装置在万用表、数字逻辑实验箱中使用。
A kind of function fine tri-state logic indicating circuit 一种功能优良的三态逻辑指示电路
In order to avoiding the phenomena of false alarm and missed alarm of in frame synchronization circuit, by the use of tri-state logic, it designs frame check/ protection circuit to assure the reliability of synchronous circuit. 为避免帧同步电路的虚警、漏警现象,采用三态逻辑判断方法设计了帧同步校验/保护电路来确保帧同步电路的可靠性。