The CD4075 is a CMOS chip with three 3-input OR gates. Because each gate has three inputs and it has three gates inside, it’s usually called a Triple 3-Input OR Gate.
An OR gate is a logic gate that outputs HIGH if either of its inputs is HIGH. Each of the OR-gates in this chip has 3 inputs.
How To Use the CD4075?
First of all, you need a power supply voltage of 3 to 15V. Some versions of the chip support up to 20V. Check the datasheet of your version of the chip for exact values.
To be able to use any of the OR gates in the chip, you need to first connect the VDD pin to the positive supply terminal and the GND pin to the negative supply terminal.
The A, B, and C pins are the inputs to the three OR gates in the IC.
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