STMicroelectronics

74LVQ74TTR

74LVQ74TTR Description

The 74LVQ74TTR is a dual D-type flip-flop IC from STMicroelectronics, designed for high-performance digital applications. This device features a clock frequency of 250 MHz, making it suitable for high-speed digital circuits. It operates with a supply voltage ranging from 2V to 3.6V, ensuring compatibility with various power supply configurations. The 74LVQ74TTR offers complementary outputs and is triggered by positive edges, providing reliable and precise signal handling.

This IC is equipped with set (preset) and reset functions, allowing for versatile control over the flip-flop states. Each of the two flip-flops can store one bit of data, making it ideal for applications requiring dual-bit storage. The input capacitance is 4 pF, ensuring minimal loading on the driving circuits. The maximum propagation delay is 9ns at 3.3V and 50pF, which is crucial for maintaining signal integrity in high-speed applications.

The 74LVQ74TTR is packaged in a 14-TSSOP surface-mount package, making it suitable for compact and space-efficient designs. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The device has a moisture sensitivity level (MSL) of 1, which means it is unlimited in terms of exposure to moisture, making it robust for various manufacturing environments.

74LVQ74TTR Features

• High-Speed Operation: With a clock frequency of 250 MHz, the 74LVQ74TTR ensures fast and efficient data handling.
• Versatile Power Supply: Operating within a 2V to 3.6V supply voltage range, it is adaptable to different power supply requirements.
• Complementary Outputs: Provides both true and complement outputs, enhancing flexibility in circuit design.
• Positive Edge Triggering: Ensures reliable and precise triggering, minimizing timing errors.
• Set and Reset Functions: Offers additional control over flip-flop states, enhancing functionality.
• Low Quiescent Current: Consumes only 2 µA in quiescent mode, making it energy-efficient.
• High Output Current: Capable of sourcing and sinking up to 24mA, ensuring robust performance.
• Moisture Resistance: MSL 1 (Unlimited) ensures durability and reliability in manufacturing processes.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring safety and regulatory adherence.

74LVQ74TTR Applications

The 74LVQ74TTR is ideal for a variety of applications where high-speed data storage and control are required. Its dual D-type flip-flops make it suitable for:

• Digital Counters: Used in counting circuits where precise control and storage of binary data are essential.
• Registers: Ideal for data storage in digital systems, ensuring reliable and fast data handling.
• Frequency Dividers: Useful in applications requiring frequency division, such as clock generation and signal processing.
• Synchronization Circuits: Ensures synchronization between different parts of a digital system.
• Control Logic: Provides control signals in complex digital systems, enhancing overall functionality.

Conclusion of 74LVQ74TTR

The 74LVQ74TTR from STMicroelectronics is a high-performance dual D-type flip-flop IC, offering a combination of speed, versatility, and reliability. Its high clock frequency, complementary outputs, and positive edge triggering make it suitable for a wide range of digital applications. The device's low quiescent current and high output current capabilities ensure efficient and robust performance, while its environmental compliance and moisture resistance make it suitable for various manufacturing environments.

Despite being marked as obsolete, the 74LVQ74TTR remains a valuable component for applications requiring dual-bit storage and high-speed operation. Its features and performance benefits make it a reliable choice for engineers and designers in the electronics industry.