Overview
The 74HC574PW/AUJ, produced by Nexperia (previously part of NXP USA Inc.), is an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs. This integrated circuit is designed for a wide range of applications, particularly in digital logic circuits where data storage and retrieval are essential. The device features a clock (CP) and output enable (OE) inputs, allowing for flexible control over data storage and output states.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC574PW/AUJ |
| Package | 20-TSSOP (SOT360-1) |
| Supply Voltage (VCC) | 2.0 V to 6.0 V |
| Logic Switching Levels | CMOS |
| Output Drive Capability | ± 7.8 mA |
| Propagation Delay (tpd) | 14 ns (typical at VCC = 5 V, CL = 50 pF) |
| Maximum Clock Frequency (fmax) | 133 MHz |
| Quiescent Current | 8 µA (typical at VCC = 5 V) |
| Input Capacitance | 3.5 pF (typical) |
| Operating Temperature Range | -40°C to 125°C |
| Mounting Type | Surface Mount |
Key Features
- Positive Edge Triggering: The flip-flops store the state of their individual D-inputs on the LOW-to-HIGH clock transition.
- 3-State Outputs: Outputs can be set to a high-impedance OFF-state by a HIGH on the output enable (OE) input.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V, making it versatile for various applications.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- High Noise Immunity: Provides robust performance against noise.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
- Compliance with JEDEC Standards: Meets JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V) standards.
Applications
The 74HC574PW/AUJ is suitable for a variety of applications across different industries, including:
- Automotive Systems: For data storage and retrieval in automotive control units.
- Industrial Control Systems: In industrial automation and control circuits.
- Consumer Electronics: In digital logic circuits of consumer devices such as TVs, audio equipment, and other electronic appliances.
- Computing and Networking: For data storage and synchronization in computing and networking equipment.
- Mobile and Wearable Devices: In mobile phones, tablets, and wearable devices where low power consumption is critical.
Q & A
- What is the primary function of the 74HC574PW/AUJ?
The primary function is to act as an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs.
- What is the supply voltage range for the 74HC574PW/AUJ?
The supply voltage range is from 2.0 V to 6.0 V.
- What is the maximum clock frequency of the 74HC574PW/AUJ?
The maximum clock frequency is 133 MHz.
- How does the output enable (OE) input affect the outputs?
A HIGH on the OE input causes the outputs to assume a high-impedance OFF-state.
- What is the operating temperature range of the 74HC574PW/AUJ?
The operating temperature range is from -40°C to 125°C.
- Is the 74HC574PW/AUJ compliant with any JEDEC standards?
Yes, it complies with JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V) standards.
- What is the typical propagation delay of the 74HC574PW/AUJ?
The typical propagation delay is 14 ns at VCC = 5 V and CL = 50 pF.
- What is the quiescent current of the 74HC574PW/AUJ?
The quiescent current is typically 8 µA at VCC = 5 V.
- What type of mounting does the 74HC574PW/AUJ use?
The device uses surface mount technology.
- What is the package type of the 74HC574PW/AUJ?
The package type is 20-TSSOP (SOT360-1).
