74HC574 Tri State Octal D-Type Flip-Flop IC is a high-performance CMOS logic device designed for reliable data storage, buffering, and bus-oriented applications. It contains eight edge-triggered D-type flip-flops with 3-state outputs, making it an ideal choice for digital systems that require controlled data transfer and isolation on shared buses.
Built using High-Speed CMOS (HC) technology, the 74HC574 offers low power consumption, fast propagation delay, and wide operating voltage range, ensuring compatibility with both TTL and CMOS logic families. This IC is widely used in microcontroller-based systems, embedded electronics, data latching, and memory addressing circuits.
Key Features of 74HC574 IC
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Octal D-Type Flip-Flop: Contains 8 independent D-type flip-flops in a single package.
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Edge-Triggered Operation: Data is latched on the rising edge of the clock, ensuring precise and synchronized data capture.
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Tri-State Outputs: Outputs can be enabled or placed in a high-impedance (Hi-Z) state, allowing multiple devices to share a common data bus.
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High-Speed CMOS Technology: Faster switching speeds compared to standard CMOS while maintaining low power consumption.
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Wide Supply Voltage Range: Operates typically from 2V to 6V, suitable for modern low-power designs.
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TTL-Compatible Inputs: Can interface easily with TTL logic levels.
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Low Power Dissipation: Ideal for battery-powered and energy-efficient applications.
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Robust Noise Immunity: Excellent resistance to noise, improving system reliability.
Technical Specifications
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Logic Family: 74HC (High-Speed CMOS)
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Number of Flip-Flops: 8 (Octal)
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Flip-Flop Type: D-Type
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Clock Type: Positive edge-triggered
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Output Type: Tri-State (3-State)
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Operating Voltage (Vcc): 2V to 6V
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Input Logic Levels: TTL compatible
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Propagation Delay: Typically low (high-speed operation)
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Operating Temperature Range: −40°C to +85°C (varies by manufacturer)
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Package Types: DIP-20, SOIC-20, TSSOP-20 (depending on variant)
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Power Consumption: Very low static power dissipation
Applications of 74HC574 Tri-State Octal D-Type Flip-Flop IC
The 74HC574 IC is widely used across various digital electronics and embedded system applications, including:
1. Data Latching and Storage
Used to temporarily store 8-bit data from microcontrollers, processors, or digital sensors.
2. Bus Interface and Buffering
Tri-state outputs allow the IC to act as a bus buffer, enabling multiple devices to communicate over a shared data bus without conflict.
3. Microcontroller and Microprocessor Systems
Commonly used for address latching, data buffering, and output expansion in embedded systems.
4. Memory Address Registers
Ideal for holding address lines in RAM, ROM, and peripheral interface circuits.
5. Digital Signal Synchronization
Helps synchronize asynchronous input signals to a system clock.
6. Industrial Control Systems
Used in PLCs, automation equipment, and control panels for reliable digital logic operations.
7. Educational and Prototyping Projects
Popular in electronics labs, academic learning kits, and DIY projects due to its versatility and ease of use.
Why Choose the 74HC574 IC?
The 74HC574 Tri-State Octal D-Type Flip-Flop IC stands out for its high speed, low power consumption, and flexible bus-control capability. Its tri-state outputs make it especially valuable in complex digital systems where multiple devices need to share communication lines safely. With excellent noise immunity and wide voltage support, it ensures stable performance in both commercial and industrial environments.
Whether you are designing an embedded system, digital controller, or data buffering circuit, the 74HC574 provides a cost-effective, reliable, and efficient solution for managing parallel data.
Package Includes:
1 x 74HC574 Tri State Octal D-Type Flip-Flop IC (DIP-20 Package)
FAQ
1. Where can we buy this 74HC574 Tri State Octal D-Type Flip-Flop IC?
This product is available online https://aiiottech.in/product/74hc574-tri-state-octal-d-type-flip-flop-ic/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this 74HC574 Tri State Octal D-Type Flip-Flop IC after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
Video Link: Octal D Flip-Flop with Tri-State Outputs
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