Texas Instruments

SN74LS122NSR  

Multivibrators

SN74LS122NSR Description

The SN74LS122NSR is a monostable multivibrator integrated circuit (IC) designed for a wide range of electronic applications. Manufactured by Texas Instruments, this IC belongs to the 74LS series and is known for its reliable performance and robust design. The SN74LS122NSR features a single independent monostable circuit, making it suitable for generating precise timing intervals in digital circuits.

SN74LS122NSR Features

• Operating Temperature: The SN74LS122NSR operates within a temperature range of 0°C to 70°C, ensuring stable performance in various ambient conditions.
• Propagation Delay: With a propagation delay of 28 nanoseconds, this IC offers fast response times, making it ideal for high-speed digital applications.
• Logic Type: The monostable logic type allows the IC to generate a single output pulse of a fixed duration in response to a trigger input.
• Voltage - Supply: The IC operates within a supply voltage range of 4.75 V to 5.25 V, providing flexibility in power supply requirements.
• Current - Output High, Low: The SN74LS122NSR can source up to 400µA and sink up to 8mA, ensuring compatibility with a wide range of digital circuits.
• Mounting Type: Surface mount technology (SMT) allows for efficient and compact PCB designs, reducing the overall footprint and improving thermal performance.
• Package: The IC is available in a Tape & Reel (TR) package, facilitating automated assembly processes and ensuring high-quality manufacturing.
• ECCN: Classified under ECCN EAR99, the SN74LS122NSR is not subject to strict export controls, simplifying international distribution.
• REACH Status: The IC is REACH Unaffected, ensuring compliance with European chemical regulations and promoting environmental safety.
• RoHS Status: The SN74LS122NSR is ROHS3 Compliant, adhering to stringent environmental standards and reducing the use of hazardous materials.
• Moisture Sensitivity Level (MSL): With an MSL rating of 1 (Unlimited), the IC is highly resistant to moisture, reducing the risk of damage during storage and assembly.

SN74LS122NSR Applications

The SN74LS122NSR is versatile and can be used in a variety of applications where precise timing and control are required. Some specific use cases include:

• Pulse Generation: Ideal for generating single pulses in response to trigger inputs, suitable for timing circuits and digital signal processing.
• Debouncing: Effective in eliminating switch bounce in digital circuits, ensuring clean and reliable input signals.
• Timing Control: Useful in applications requiring precise timing intervals, such as in microcontroller peripherals and digital communication systems.
• Noise Filtering: The monostable circuit can filter out noise and provide stable output pulses, enhancing signal integrity.
• Sequential Logic: Can be used in sequential logic circuits to manage timing and control operations.

Conclusion of SN74LS122NSR

The SN74LS122NSR is a reliable and efficient monostable multivibrator IC, offering fast response times and stable performance. Its wide operating temperature range, low propagation delay, and robust design make it suitable for a variety of high-speed digital applications. The surface mount technology and compliance with environmental standards ensure compatibility with modern manufacturing processes and regulatory requirements. Whether used for pulse generation, debouncing, or timing control, the SN74LS122NSR provides a versatile and dependable solution for digital circuit design.

SN74LS122NSR Documents

Download datasheets and manufacturer documentation for SN74LS122NSR

Images :

Mechanical Outline Drawing      

PCN :

Qualification of Carrier Tape for 14/16 pin SOP and 28 pin SSOP device (PDF)      

Product Catalogs :

Logic Guide (Rev. AB)