Texas Instruments

SN74LV123ADRG4  

Multivibrators

SN74LV123ADRG4 Description

The SN74LV123ADRG4 is a monostable multivibrator logic IC chip manufactured by Texas Instruments, designed for high-speed, low-voltage applications. This device features a propagation delay of 13 nanoseconds, making it suitable for applications requiring rapid signal processing and timing control. The SN74LV123ADRG4 is part of the 74LV series, known for its robust performance and compatibility with a wide range of digital systems.

This IC is equipped with Schmitt trigger inputs, which provide noise immunity and ensure stable performance in varying input conditions. It operates within a supply voltage range of 2 V to 5.5 V, offering flexibility in power supply requirements. The device is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) format, suitable for surface-mount applications, and is available in tape and reel packaging for automated assembly processes.

SN74LV123ADRG4 Features

• Propagation Delay: 13 ns, ensuring fast response times and high-speed operation.
• Logic Type: Monostable, ideal for generating precise timing pulses and signal conditioning.
• Independent Circuits: Two independent monostable circuits, allowing for versatile and efficient use in various applications.
• Schmitt Trigger Input: Provides noise immunity and stable performance, even in noisy environments.
• Voltage - Supply: 2 V to 5.5 V, offering flexibility and compatibility with different power supply systems.
• Current - Output High, Low: 12 mA, 12 mA, capable of driving multiple loads without significant voltage drop.
• Mounting Type: Surface Mount, suitable for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly and production.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), ensuring reliability and longevity in various environmental conditions.
• Compliance: REACH Unaffected and ROHS3 Compliant, meeting stringent environmental and safety standards.

SN74LV123ADRG4 Applications

The SN74LV123ADRG4 is ideal for applications requiring precise timing and signal conditioning. Its monostable operation makes it suitable for generating timing pulses, debouncing switches, and synchronizing signals in digital systems. Specific use cases include:

• Timing Circuits: Generating precise timing pulses for microcontroller and digital signal processing applications.
• Signal Debouncing: Eliminating noise and false triggers from mechanical switches in embedded systems.
• Pulse Width Modulation (PWM): Generating and conditioning PWM signals for motor control and power management.
• Data Communication: Synchronizing data transmission and reception in serial communication protocols.
• Automotive Electronics: Providing reliable timing and signal conditioning in automotive control units and sensors.

Conclusion of SN74LV123ADRG4

The SN74LV123ADRG4 is a versatile and high-performance monostable multivibrator IC, offering fast response times and robust performance. Its Schmitt trigger inputs and wide supply voltage range make it suitable for a variety of applications, from timing circuits to signal conditioning. The surface-mount package and tape and reel format ensure ease of integration into modern PCB designs. While the product is now obsolete, it remains a reliable choice for legacy systems and applications requiring its specific features. For new designs, engineers may consider exploring alternative models from Texas Instruments' extensive portfolio of logic ICs.

SN74LV123ADRG4 Documents

Download datasheets and manufacturer documentation for SN74LV123ADRG4

Datasheets :

SN54LV123A, SN74LV123A       Logic Guide      

PCN Obsolescence/ EOL :

EOL 31/Oct/2023      

HTML Datasheet :

Logic Guide      

PCN Design/Specification :

Design 25/Feb/2022