The circuit presented is from 1994 and can be developed with more modern operators. We found the configuration in the National Semiconductor Linear Applications Handbook.
Found in American documentation from the 1980s, this circuit can be designed with equivalent...
The 4028 CMOS IC not only contains the complete decade counter, but also the 7-segment decoder...
We found this circuit in an American 1980s documentation. The circuit can be assembled with modern...