STMicroelectronics

M74HC74B1R

M74HC74B1R Description

The M74HC74B1R is a dual D-type flip-flop IC from STMicroelectronics, designed to provide reliable and efficient performance in various digital applications. With a clock frequency of 67 MHz and a positive edge trigger type, this device ensures fast and accurate data processing. The M74HC74B1R features complementary outputs, allowing for easy integration with other digital circuits. Despite being classified as obsolete, this IC remains a popular choice for its proven reliability and performance.

M74HC74B1R Features

• Clock Frequency: 67 MHz, ensuring high-speed data processing.
• Output Type: Complementary, simplifying integration with other digital circuits.
• Trigger Type: Positive Edge, providing reliable and consistent data capture.
• Function: Set (preset) and reset, enabling flexible control of data storage and retrieval.
• Voltage - Supply: 2V to 6V, supporting a wide range of power supply options.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• RoHS Status: ROHS3 Compliant, adhering to environmental and health standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), providing robust protection against moisture-related issues.
• Max Propagation Delay: 26ns @ 6V, 50pF, ensuring rapid data transmission.
• Current - Quiescent (Iq): 2 µA, contributing to low power consumption.
• Number of Elements: 2, providing dual flip-flop functionality in a single package.
• Input Capacitance: 5 pF, minimizing signal distortion and ensuring accurate data capture.
• Mounting Type: Through Hole, facilitating easy installation and replacement.
• Package: Tube, providing a cost-effective and convenient packaging option.

M74HC74B1R Applications

The M74HC74B1R is ideal for a variety of digital applications, including:

1. Data Storage and Retrieval: Utilizing the set (preset) and reset functionality for reliable data storage and retrieval in digital systems.
2. Signal Synchronization: Leveraging the positive edge trigger and complementary outputs for precise signal synchronization in communication systems.
3. Digital Counters and Timers: Employing the dual flip-flop functionality for creating digital counters and timers in various applications.
4. Automotive Electronics: Benefiting from the low power consumption and robust performance for use in automotive electronic systems.

Conclusion of M74HC74B1R

Despite being classified as obsolete, the M74HC74B1R remains a popular choice for its proven reliability, performance, and versatility in various digital applications. Its high clock frequency, complementary outputs, and positive edge trigger make it an ideal choice for data storage, signal synchronization, and digital counters/timers. Although it may be considered a legacy product, its unique features and advantages continue to make it a valuable component in the electronics industry.