The 74HC00 provides four independent 2-input NAND gates with standard push-pull outputs. The device is designed for operation with a power supply range of 2.0V to 6.0V. This article provides you with a basic overview of the 74HC00, including its pin descriptions, features and specifications, etc., to help you quickly understand what 74HC00 is.
If you want to know the difference between 74LS series and 74HC series of electronic circuits, you can click on the link.