Texas Instruments

SN74LS377NSR  

Flip Flops

SN74LS377NSR Description

The SN74LS377NSR is a high-performance D-type flip-flop IC designed for a wide range of digital applications. Manufactured by Texas Instruments, this device is part of the 74LS series and features an 8-bit single D-type flip-flop with a positive edge trigger. It operates within a supply voltage range of 4.75V to 5.25V and is optimized for a clock frequency of up to 40 MHz. The SN74LS377NSR is housed in a 20-lead small outline (SO) package, making it suitable for surface-mount applications.

SN74LS377NSR Features

• Clock Frequency: The SN74LS377NSR supports a clock frequency of up to 40 MHz, ensuring high-speed operation suitable for demanding digital systems.
• Positive Edge Trigger: This flip-flop is triggered on the positive edge of the clock signal, providing precise timing control and synchronization.
• Supply Voltage Range: The device operates within a supply voltage range of 4.75V to 5.25V, offering flexibility and compatibility with various power supply configurations.
• Low Quiescent Current: With a quiescent current of 28 mA, the SN74LS377NSR is energy-efficient, making it suitable for applications where power consumption is a concern.
• Propagation Delay: The maximum propagation delay is 27ns at 5V and 15pF, ensuring fast signal transmission and minimal latency.
• Output Current Capability: The device can handle an output current of 400µA for high-level outputs and 8mA for low-level outputs, providing robust performance.
• Compliance and Reliability: The SN74LS377NSR is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage conditions.
• Operating Temperature: The device operates within a temperature range of 0°C to 70°C (TA), making it suitable for a wide range of ambient conditions.

SN74LS377NSR Applications

The SN74LS377NSR is ideal for a variety of applications due to its high-speed operation, low power consumption, and robust performance. Some specific use cases include:

• Digital Systems: The high clock frequency and positive edge trigger make it suitable for high-speed digital systems requiring precise timing and synchronization.
• Data Storage and Transmission: The 8-bit flip-flop can be used for temporary data storage and transmission in digital circuits, ensuring reliable data handling.
• Microcontroller Interfaces: The device can interface with microcontrollers to provide temporary storage and synchronization of data signals.
• Telecommunications: The SN74LS377NSR can be used in telecommunications equipment for signal processing and timing control.
• Industrial Control Systems: The robust performance and wide operating temperature range make it suitable for industrial applications where reliability and durability are critical.

Conclusion of SN74LS377NSR

The SN74LS377NSR is a versatile and high-performance D-type flip-flop IC that offers significant advantages over similar models. Its high clock frequency, low quiescent current, and robust output current capability make it suitable for a wide range of digital applications. The device's compliance with environmental and regulatory standards ensures long-term reliability and sustainability. Whether used in digital systems, data storage, or industrial control applications, the SN74LS377NSR provides reliable performance and precise timing control, making it an excellent choice for engineers and designers in the electronics industry.

SN74LS377NSR Documents

Download datasheets and manufacturer documentation for SN74LS377NSR

Datasheets :

SN54LS377-79, SN74LS377-79      

PCN Packaging :

20L SOP 29/Sep/2016      

HTML Datasheet :

SN54LS377-79, SN74LS377-79