onsemi

SN74LS377DW

SN74LS377DW Description

The SN74LS377DW is a single 8-bit D-type flip-flop IC designed for high-speed digital applications. Manufactured by onsemi, this device is part of the 74LS series, known for its robust performance and reliability. The SN74LS377DW operates within a supply voltage range of 4.75V to 5.25V and features a clock frequency of up to 40 MHz, making it suitable for demanding digital circuits. It is designed to function within an operating temperature range of 0°C to 70°C (TA), ensuring stability in various environmental conditions.

SN74LS377DW Features

• High-Speed Performance: With a maximum propagation delay of 27ns at 5V and a maximum load capacitance of 15pF, the SN74LS377DW ensures rapid signal processing and minimal latency.
• Low Power Consumption: The device has a quiescent current (Iq) of 18 mA, making it energy-efficient for applications where power consumption is a critical factor.
• Positive Edge Triggering: The flip-flop is triggered on the positive edge of the clock signal, providing precise timing control and synchronization.
• Surface Mount Technology: The SN74LS377DW is designed for surface mount applications, facilitating compact and reliable PCB designs.
• 8-Bit Data Handling: Each element the of flip-flop can handle 8 bits of data, offering versatile data storage and processing capabilities.
• Output Current Capability: The device supports an output current of 400µA for high levels and 8mA for low levels, ensuring robust signal integrity.
• Obsolete Status: Although the SN74LS377DW is now considered obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.

SN74LS377DW Applications

The SN74LS377DW is ideal for a variety of digital applications, particularly those requiring high-speed data processing and reliable storage. Its 8-bit data handling capability makes it suitable for use in:

• Digital Signal Processing: Efficiently processing and storing digital signals in high-speed communication systems.
• Microprocessor Systems: Providing temporary data storage and synchronization in microprocessor-based circuits.
• Memory Systems: Acting as a buffer or latch in memory systems to ensure data integrity and timing accuracy.
• Control Systems: Utilized in control systems where precise timing and data handling are crucial for system performance.

Conclusion of SN74LS377DW

The SN74LS377DW, despite its obsolete status, remains a valuable component for specific applications requiring high-speed, reliable data handling and storage. Its low power consumption, high-speed performance, and positive edge triggering make it an ideal choice for legacy systems and specialized digital circuits. While newer alternatives may offer enhanced features, the SN74LS377DW continues to provide robust performance and reliability, ensuring its relevance in the electronics industry.