STMicroelectronics

M74HC377B1R

M74HC377B1R Description

The M74HC377B1R is a single 8-bit D-type flip-flop designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This logic IC chip is part of the 74HC series, known for its high-speed CMOS technology. The M74HC377B1R operates with a clock frequency of up to 66 MHz, making it suitable for high-speed digital applications. It features a positive edge trigger type, ensuring reliable data capture on the rising edge of the clock signal. Despite being marked as obsolete, the M74HC377B1R remains a robust choice for applications requiring standard functionality and performance.

M74HC377B1R Features

• Clock Frequency: The M74HC377B1R supports a clock frequency of up to 66 MHz, enabling it to handle high-speed digital signals efficiently.
• Trigger Type: It operates on a positive edge trigger, which ensures precise data latching on the rising edge of the clock signal.
• Supply Voltage Range: The IC operates within a wide supply voltage range of 2V to 6V, providing flexibility in power supply requirements.
• Input Capacitance: With an input capacitance of 5 pF, the M74HC377B1R minimizes signal delays and power consumption.
• Propagation Delay: The maximum propagation delay is 24ns at 6V and 50pF, ensuring fast signal processing.
• Low Quiescent Current: The IC has a low quiescent current of 4 µA, which is beneficial for power-sensitive applications.
• Output Current Capability: It can handle an output current of 5.2mA for both high and low states, providing robust performance.
• Moisture Sensitivity Level: The M74HC377B1R has an MSL of 1 (unlimited), making it suitable for various environmental conditions.
• Compliance: The IC is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.
• Packaging: Available in a through-hole package, it is suitable for applications requiring robust mechanical stability.

M74HC377B1R Applications

The M74HC377B1R is ideal for a variety of digital applications where high-speed data processing and reliable performance are required. Its 8-bit D-type flip-flop functionality makes it suitable for:

• Data Latching: Capturing and holding data in digital systems.
• Clock Synchronization: Ensuring synchronized operation in multi-clock systems.
• Digital Signal Processing: Handling high-speed digital signals in communication and control systems.
• Memory Buffers: Temporarily storing data in memory systems.
• Industrial Control Systems: Managing digital signals in robust industrial environments.

Conclusion of M74HC377B1R

The M74HC377B1R is a versatile and reliable D-type flip-flop IC, offering high-speed performance and robust functionality. Despite its obsolete status, it remains a valuable component for applications requiring standard 8-bit data handling and high-speed operation. Its wide supply voltage range, low quiescent current, and compliance with environmental standards make it a practical choice for various digital systems. Whether used in data latching, clock synchronization, or digital signal processing, the M74HC377B1R provides consistent performance and reliability.