74hc040 is a non-gate, or gate, and gate and XOR gate and other basic logic integrated circuit. It consists of 4 independent not gates, 3 OR gates, 2 and gates and 1 XOR gate. Each gate has two inputs and one output. The chip is manufactured using CMOS technology and has an operating voltage range of 2V to 6V with low power consumption. 74hc040 is widely used in digital circuits, logic operations, control systems, computers and communication equipment.