The 74HC574D is an octal D-type flip-flop integrated circuit (IC) component. It is a part of the 74HC family of high-speed CMOS logic ICs and is designed to provide reliable and efficient storage of binary data.
Key features of the 74HC574D include:
1. Octal Flip-Flop: The IC consists of eight individual flip-flop units, each capable of storing one bit of binary data. These flip-flops can be operated independently or in parallel, making it suitable for applications requiring storage and retrieval of multiple bits of data.
2. D-Type Inputs: The IC operates on D-type inputs, which means that the data to be stored is applied to the D input pin. The flip-flops store this data and retain it until changed by applying a new signal to the D input.
3. Tri-State Outputs: The IC features tri-state outputs, which provide an additional level of control over the output of stored data. When the output enable (OE) pin is set to high, the outputs are essentially disconnected from the flip-flops, placing them in high-impedance state. This feature is useful when multiple devices are connected to a common bus, allowing selective enabling or disabling of their outputs.
4. High-Speed Operation: As a member of the 74HC family, the 74HC574D operates at high-speed due to its CMOS technology
