Hi TI Team,
Thank you for your support.
One of our customer has trouble with SN74F112N.
Our understanding is this Logic IC has 2 elements.
These working individually.
But One output applied to one circuit, It didn't work normally.
It's typical way for Asynchronous counter circuit.
When testing Asynchronous counter circuit
This is video for Testing
PW:kogakuin0110
Defective IC:SN74F112N
IC which working correct:CD74H112E
Details
Input rate |
|
Vcc |
+5V |
GND |
0V |
PRE |
H |
CLR |
setup: L, Operation:H |
J |
H |
K |
H |
1CLK |
Input by push switch |
2CLK |
Connected to 1Q output |
![](/resized-image/__size/320x240/__key/communityserver-discussions-components-files/151/pastedimage1704859232916v1.png)
Can you give some advice?