Other Parts Discussed in Thread: LM555,
我有一个计时小电路, 用其他品牌 UMW牌NE555D 和 TI 的 LM555 都能工作, 但是用TI 的NE555D 则无法工作,请问你们知道问题出在哪里吗? LM555 成本太高了。
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
您好,
最大的差异将是NE555的温度依赖性以及两个设备之间trigger 和 threshold 的优先级。LM555在threshold 引脚上具有优先级,NE555在trigger 引脚上具有优先级。
区别具体查看下面链接:
https://www.apogeeweb.net/circuitry/ne555-vs-lm555-timer-ics-what-is-the-difference.html