Overview
The 74HC74D, produced by NXP USA Inc., is a dual D-type flip-flop integrated circuit. This component is part of the 74HC series, which is known for its high-speed CMOS technology. The 74HC74D features individual data (nD), clock (nCP), set (nSD), and reset (nRD) inputs, along with complementary nQ and nQ outputs. It is designed to operate at high speeds while maintaining low power dissipation, making it suitable for a wide range of electronic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Operating Voltage | 2.0 to 6.0 | V |
| Logic Switching Levels | CMOS | - |
| Output Drive Capability | ± 5.2 | mA |
| Propagation Delay (tpd) | 14 | ns |
| Maximum Clock Frequency (fmax) | 82 | MHz |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SO14 (SOT108-1) | - |
| ESD Protection | HBM: >2000 V, CDM: >1000 V | - |
Key Features
- High-Speed Operation: The 74HC74D operates at high speeds, similar to LSTTL, while maintaining the low power dissipation of CMOS technology.
- Wide Operating Voltage Range: It can operate within a voltage range of 2.0 to 6.0 V.
- Wide Operating Temperature Range: The component is specified to operate from -40°C to 125°C.
- Balanced Propagation Delays: The propagation delays for rising and falling edges are balanced, ensuring consistent timing.
- ESD Protection: The inputs are equipped with protection circuits against static discharge and transient excess voltage, providing HBM and CDM protection.
- Symmetrical Output Impedance and High Noise Immunity: These features enhance the reliability and stability of the circuit.
Applications
The 74HC74D is versatile and can be used in various electronic designs across different industries, including:
- Automotive Systems: For applications requiring high reliability and wide temperature ranges.
- Industrial Control Systems: Where high-speed and low power consumption are critical.
- Consumer Electronics: In devices such as mobile phones, wearables, and other consumer products.
- Computing and Data Storage: For clocking and data storage applications in computing systems.
Q & A
- What is the 74HC74D?
The 74HC74D is a dual D-type flip-flop integrated circuit produced by NXP USA Inc.
- What are the key inputs and outputs of the 74HC74D?
The component has individual data (nD), clock (nCP), set (nSD), and reset (nRD) inputs, along with complementary nQ and nQ outputs.
- What is the operating voltage range of the 74HC74D?
The operating voltage range is from 2.0 to 6.0 V.
- What is the maximum clock frequency of the 74HC74D?
The maximum clock frequency is 82 MHz.
- What type of ESD protection does the 74HC74D have?
The component has HBM protection exceeding 2000 V and CDM protection exceeding 1000 V.
- What is the package type of the 74HC74D?
The package type is SO14 (SOT108-1).
- What are the typical applications of the 74HC74D?
It is used in automotive, industrial, consumer electronics, and computing applications.
- Does the 74HC74D have balanced propagation delays?
Yes, the propagation delays for rising and falling edges are balanced.
- What is the operating temperature range of the 74HC74D?
The operating temperature range is from -40°C to 125°C.
- Is the 74HC74D RoHS compliant?
Yes, the component is RoHS compliant.
