Texas Instruments

CD74HC4538MG4  

Multivibrators

CD74HC4538MG4 Description

The CD74HC4538MG4 is a high-performance monostable multivibrator IC designed by Texas Instruments, featuring two independent monostable circuits. This device is part of the 74HC series, known for its high-speed CMOS technology and compatibility with TTL logic levels. The CD74HC4538MG4 operates within a supply voltage range of 2 V to 6 V, ensuring flexibility in various power supply configurations. It is housed in a surface-mount package, making it suitable for modern PCB designs that require compact and reliable components.

CD74HC4538MG4 Features

• Propagation Delay: The CD74HC4538MG4 boasts a propagation delay of just 21 ns, ensuring rapid signal processing and minimal latency in timing circuits.
• Monostable Logic Type: This IC is designed as a monostable multivibrator, making it ideal for applications requiring precise timing control and pulse generation.
• Independent Circuits: The device contains two independent monostable circuits, allowing for simultaneous operation of separate timing functions without interference.
• Schmitt Trigger Input: The inclusion of Schmitt trigger inputs enhances noise immunity and ensures reliable operation in noisy environments.
• Current Capability: The IC can provide up to 5.2 mA for both high and low output states, making it suitable for driving various loads.
• Compliance and Safety: The CD74HC4538MG4 is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the device is highly resistant to moisture, making it suitable for a wide range of environmental conditions.

CD74HC4538MG4 Applications

The CD74HC4538MG4 is well-suited for a variety of applications where precise timing and pulse generation are critical. Some specific use cases include:

• Timing Circuits: Ideal for generating precise timing pulses in digital systems, such as clock signals and synchronization pulses.
• Pulse Width Modulation (PWM): Useful in applications requiring PWM for motor control, lighting control, and other variable output applications.
• Debouncing Circuits: Effective in eliminating switch bounce in digital input circuits, ensuring clean and reliable digital signals.
• Communication Systems: Suitable for generating timing signals in serial communication protocols and other digital communication systems.

Conclusion of CD74HC4538MG4

The CD74HC4538MG4 from Texas Instruments is a versatile and reliable monostable multivibrator IC, offering high-speed performance and robust features. Its low propagation delay, independent circuits, and Schmitt trigger inputs make it a standout choice for applications requiring precise timing and pulse generation. With its compliance to environmental and safety standards, the CD74HC4538MG4 is a future-proof solution for modern electronic designs. Whether used in timing circuits, PWM applications, or debouncing, this IC delivers consistent performance and reliability, making it an excellent choice for engineers and designers in the electronics industry.

CD74HC4538MG4 Documents

Download datasheets and manufacturer documentation for CD74HC4538MG4

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

Models :

CD74HC4538MG4 Symbol & Footprint by SnapMagic      

Product Catalogs :

Logic Guide (Rev. AB)