Friday, September 25, 2015

4060 14-Stage Ripple Carry Binary Counters

Row Of LEDs
Here, the CD4060 IC is configured to send signals to a row of LED lights. Each LED in a row is connected to the corresponding output pin of the IC. LED #1 is connected to pin 7 (Q3), LED #2 is connected to pin 5 (Q4), LED #3 is connected to pin 4 (Q5), and so on. Pin 12 (Reset) is connected to LOW for enabling the IC to function (oscillate). This demonstrates how the IC generates oscillations at its various outputs.

Keep The Output HIGH
This circuit uses the 4060 IC as a timer. Connect the pin 12 (RESET) to the positive pole of the battery and then connect to the negative terminal. The LED will illuminate after 5 seconds. The time delay period is determined by the 0.1 µF capacitor and the 1M resistor. The 1N4148 diode connects pin 7 (output) to pin 11 to block the oscillation. It keeps the output high until resetting.

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