Description
CD4001 is the most commonly used Complementary Metal Oxide Semiconductor (CMOS) chip. It comes in a 14 pin Dual Inline Package (DIP). It consists of 4 independent NOR gate in a single chip. Each gate has 2 inputs and 1 output. Working voltage range of IC is from 5V to 15V. It can deliver approx.10mA at 12V but this can be reduced as power supply voltage reduces.
The CD4001 is a CMOS chip with four NOR gates. Because each gate has two inputs and it has four gates inside, it’s usually called a Quad 2-Input NOR Gate.
A NOR gate combines the functionality of OR and NOT gates. It gives a HIGH output only when both inputs are LOW; otherwise, the output is LOW.
Pin out
Truth Table For NOR Gate
To use this IC, first 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 NOR gates, you need to first connect the VDD pin to the positive terminal and the GND pin to the negative terminal.
The A and B pins are the inputs to the four NOR gates in the IC. The Q pins are the outputs from the NOR gates.
CD4001 Alternative
- 74HC02: Quad 2-input TTL NOR gates (Pins are different)
Package includes: 1×CD4001BE Quad 2-Input CMOS NOR Gate DIP-14
