Found in an 80's Electronic Design, this circuit is based on the ICL7107 which is not an easy component to obtain today. The circuit is compatible with TTL and CMOS.
Figure bellow shows how the flip-flops of a 4027 can be connected to perform a divide-by-5 counter [odd...
Maxim MAX20056B 6 Channel High Brightness LED Controller Maxim Integrated makes available through...
This circuit was originally suggested in a 1968 publication to generate a white mark (frame) on a...