huys cobb
Member level 3
![Member level 3](/styles/images/ranks/dlevel3.gif)
Hai
AFter test this circuit:
the result between the 74ls86 and 74hc86 very different..
each time I press the button..the 74LS86 didn't change the status ouput while the 74hc86 basically from botton input..
the all of 74LS86s was new.
[/img]
AFter test this circuit:
![33_1207200986.jpg](https://obrazki.elektroda.pl/33_1207200986.jpg)
the result between the 74ls86 and 74hc86 very different..
each time I press the button..the 74LS86 didn't change the status ouput while the 74hc86 basically from botton input..
the all of 74LS86s was new.
[/img]