74HC574N (Octal D Flip Flop 3-State)

Overview

The 74HC574N is a high-speed octal D-type flip-flop with 3-state outputs, designed for use in digital systems where data buffering, latching, and bus interfacing are required. It features eight edge-triggered flip-flops with individual D-type inputs and Q outputs, controlled by a common clock and output enable signal. The 3-state outputs allow the device to be connected directly to a bus system, making it ideal for memory address latching, data storage, and microprocessor interfacing.

Key Features

• Octal D-type flip-flop: Eight flip-flops in a single 20-pin DIP package.
• 3-state outputs: Outputs can be disabled to a high-impedance state for bus-oriented systems.
• Edge-triggered: Data is captured on the rising edge of the clock pulse.
• High-speed operation: Propagation delay typically 15 ns at 5V supply.
• Wide operating voltage: 2V to 6V, compatible with TTL levels.
• Low power consumption: CMOS technology ensures minimal power usage.
• Standard logic level: Inputs and outputs are TTL-compatible.

Technical Specifications

• Supply Voltage (VCC): 2V to 6V
• Input Voltage (VI): 0V to VCC
• Output Voltage (VO): 0V to VCC
• Clock Frequency (max): 60 MHz (typical at 5V)
• Propagation Delay (tpd): 15 ns (typical at 5V, CL=50pF)
• Output Current: ±6 mA at 5V
• Operating Temperature: -40°C to +85°C
• Package: 20-pin DIP (DIP-20)
• Logic Family: HC (High-Speed CMOS)

Applications & Use Cases

• Microprocessor interfacing: Latching address or data lines.
• Data storage: Temporary storage of digital data in control systems.
• Bus systems: Connecting multiple devices to a shared data bus.
• Digital instrumentation: Register and buffer applications.
• Robotics: Controlling multiple outputs with a single clock signal.
• Embedded systems: Expanding I/O capabilities of microcontrollers.

What's Included

• 1x 74HC574N Octal D Flip-Flop IC (DIP-20)

Compatibility

• Compatible with 74HCT574, 74HC574, and other 74-series logic families.
• Can be used with Arduino, Raspberry Pi, and other microcontrollers (with appropriate voltage level shifting if needed).
• Direct replacement for many standard octal flip-flop ICs.

MOKWN Recommendation

The 74HC574N is a reliable and versatile logic IC that every electronics enthusiast should have in their parts drawer. Whether you're building a digital clock, a memory module, or a complex robotics control system, this flip-flop will deliver consistent performance. Its 3-state outputs and high-speed operation make it a must-have for any serious embedded project. Order yours today and take your projects to the next level!