This counter from 0 to 9999 was found in English documentation. The power source must be 5V with at least 1A.
This oscillator can generate signals up to about 10 MHz, depending on the crystal used. The...
In the figure we have the way to connect an LED on the output of a power source to indicate the...
We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994....