74VHC74SJ Description
The 74VHC74SJ is a dual D-type flip-flop IC designed by onsemi, featuring a wide operating voltage range of 2V to 5.5V. This device is part of the 74VHC series and is housed in a 14SOP package. It offers two independent flip-flops, each capable of storing one bit of data. The flip-flops are triggered on the positive edge of the clock signal, ensuring reliable data capture and storage. The 74VHC74SJ supports complementary outputs, providing flexibility in circuit design and signal processing.
74VHC74SJ Features
- Clock Frequency: The 74VHC74SJ operates at a clock frequency of up to 115 MHz, making it suitable for high-speed digital applications.
- Output Type: Complementary outputs allow for versatile signal handling and can be used in various digital circuits.
- Trigger Type: Positive edge triggering ensures precise timing and synchronization of data capture.
- Set (Preset) and Reset Functionality: This feature allows for the initialization of the flip-flops to a known state, enhancing reliability and control in digital systems.
- Low Quiescent Current: With a quiescent current of only 2 µA, the 74VHC74SJ is highly energy-efficient, making it ideal for low-power applications.
- High Output Current Capability: The device can source and sink up to 8mA, providing robust output drive capabilities.
- Wide Operating Voltage Range: The 2V to 5.5V supply voltage range ensures compatibility with a variety of power supply systems.
- Low Propagation Delay: A maximum propagation delay of 9.3ns at 5V and 50pF load ensures fast signal processing and minimal latency.
- Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is highly resistant to moisture, making it suitable for a wide range of environmental conditions.
- Compliance: The 74VHC74SJ is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
74VHC74SJ Applications
The 74VHC74SJ is well-suited for a variety of applications due to its high-speed operation, low power consumption, and robust performance. Some specific use cases include:
- Digital Signal Processing: The high clock frequency and low propagation delay make it ideal for processing digital signals in real-time applications.
- Data Storage and Transfer: The dual D-type flip-flops can be used for temporary data storage and transfer in digital circuits.
- Clock Management: The positive edge triggering and set/reset functionality can be utilized in clock management and synchronization circuits.
- Low-Power Systems: The low quiescent current and wide operating voltage range make it suitable for battery-powered and energy-efficient systems.
- Industrial and Automotive Applications: The moisture sensitivity level and compliance with environmental standards make it suitable for harsh industrial and automotive environments.
Conclusion of 74VHC74SJ
The 74VHC74SJ is a versatile and high-performance dual D-type flip-flop IC that offers a combination of speed, efficiency, and reliability. Its wide operating voltage range, low quiescent current, and high output current capability make it suitable for a variety of digital applications. Despite being marked as obsolete, the 74VHC74SJ remains a valuable component for designers looking for a robust and efficient flip-flop solution. Its compliance with environmental and safety standards ensures that it meets the requirements of modern electronics design.