The pulse counter presented is roughly divided into three parts: a pulse source, an digital devices that counts, stores and prepares outputs and a display to show the accumulated count. It needs to be given a positive voltage of +3V to +15V. Pin 15: This is the reset pin of counter 2 which should be LOW for normal operation of the counter and HIGH if you want to reset the output of counter 1 to zero.Pin 14: This is the fourth output bit of counter 2.Pin 13: This is the third output bit of counter 2.Pin 12: This is the second output bit of the counter 2.This represents the first bit of the four output bits. Pin 11: Pin 3 is the LSB output of counter 2.Otherwise, it retains its previous state even if any clock pulse is provided. The counter 2 circuit will receive the clock inputs only if this pin is set to HIGH. Pin 10: This is the enable pin corresponding to counter 2.That means it advances the clock for every rising edge. Pin 9: This is the clock input pin corresponding to counter 2.It is common ground for both the counters. Pin 8: This is the ground pin which should be connected to 0V.Pin 7: This is the reset pin of counter 1 which should be LOW for normal operation of the counter and HIGH if you want to reset the output of counter 1 to zero.Pin 6: This is the fourth output bit of counter 1.
Pin 5: This is the third output bit of counter 1.Pin 4: This is the second output bit of the counter 1.Pin 3: Pin 3 is the LSB output of counter 1.The counter 1 circuit will receive the clock inputs only if this pin is set to HIGH. Pin 2: This is the enable pin for counter 1.Clock generates a clock pulses cycle at the generated output. Pin 1: This is the clock input pin corresponding counter 1.
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