Overview
The SN74HCT574N is a high-speed CMOS logic octal D-type flip-flop produced by Texas Instruments. This IC belongs to the 74HCT series, which is known for its compatibility with TTL logic levels while offering the low power consumption of CMOS technology. The SN74HCT574N is designed for applications requiring high-speed data transfer and reliable storage of digital signals. Its market positioning targets industrial, automotive, and consumer electronics sectors, where robust performance and compatibility are essential. The product’s unique selling points include its 3-state outputs, wide operating voltage range, and high noise immunity, making it a competitive choice for buffer and storage applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Family | 74HCT | - | High-speed CMOS |
| Number of Bits | 8 | - | Octal |
| Supply Voltage | 4.5 to 5.5 | V | TTL compatible |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Output Type | 3-State | - | High impedance |
| Propagation Delay | 14 | ns | Typical at 5V |
| Package | PDIP-20 | - | Plastic DIP |
| Mounting Type | Through Hole | - | - |
| Input Capacitance | 3.5 | pF | Typical |
| Power Dissipation | 80 | mW | Maximum |
Key Features
- 3-state outputs for bus-oriented applications.
- Wide operating voltage range (4.5V to 5.5V).
- High noise immunity for reliable performance in noisy environments.
- TTL-compatible inputs for easy integration with TTL logic systems.
- Low power consumption typical of CMOS technology.
- High-speed operation with a typical propagation delay of 14ns.
Applications
The SN74HCT574N is widely used in various industries due to its robust design and versatile functionality. Key application areas include:
- Industrial Automation: Used in control systems for data storage and signal buffering.
- Automotive Electronics: Employed in vehicle control units for reliable signal processing.
- Consumer Electronics: Integrated into devices like printers and gaming consoles for data handling.
- Telecommunications: Utilized in networking equipment for signal routing and storage.
- Embedded Systems: Applied in microcontroller-based systems for interfacing and data management.
Q & A
1. What is the operating voltage range of the SN74HCT574N?
The operating voltage range is 4.5V to 5.5V.
2. Is the SN74HCT574N compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
3. What is the typical propagation delay of this IC?
The typical propagation delay is 14ns at 5V.
4. Can the SN74HCT574N be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design.
5. What is the package type of the SN74HCT574N?
It comes in a PDIP-20 (Plastic Dual In-line Package) format.
6. Does this IC support 3-state outputs?
Yes, it features 3-state outputs for bus-oriented applications.
7. What is the maximum power dissipation of the SN74HCT574N?
The maximum power dissipation is 80mW.
8. Is the SN74HCT574N suitable for high-noise environments?
Yes, it has high noise immunity, making it reliable in noisy environments.
9. What is the input capacitance of this IC?
The typical input capacitance is 3.5pF.
10. Can the SN74HCT574N be used in embedded systems?
Yes, it is commonly used in microcontroller-based embedded systems for interfacing and data management.
