Texas Instruments

CD74HCT221MG4  

Multivibrators

CD74HCT221MG4 Description

The CD74HCT221MG4 is a high-performance monostable multivibrator IC designed for a wide range of electronic applications. Manufactured by Texas Instruments, this device is part of the 74HCT series known for its robustness and reliability. The CD74HCT221MG4 features a propagation delay of 18 ns, making it suitable for high-speed digital circuits. It operates within a supply voltage range of 4.5 V to 5.5 V and includes Schmitt trigger inputs for noise immunity and stable performance. The device is packaged in a surface mount 16SOIC format, ensuring ease of integration into compact designs. With two independent circuits, the CD74HCT221MG4 offers versatility in application design.

CD74HCT221MG4 Features

• Propagation Delay: 18 ns, ensuring fast signal processing and minimal latency.
• Logic Type: Monostable, ideal for generating precise timing pulses.
• Schmitt Trigger Input: Enhances noise immunity and provides stable performance in noisy environments.
• Independent Circuits: Two independent monostable circuits allow for multiple timing functions within a single package.
• Supply Voltage Range: 4.5 V to 5.5 V, compatible with standard digital circuitry.
• Output Current: 4 mA for both high and low states, providing sufficient drive capability for various loads.
• Mounting Type: Surface mount, suitable for modern, space-efficient PCB designs.
• Package: 16SOIC, offering a compact and reliable form factor.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), making it suitable for a wide range of manufacturing processes.

CD74HCT221MG4 Applications

The CD74HCT221MG4 is ideal for applications requiring precise timing and pulse generation. Its monostable operation makes it suitable for:

• Timing Circuits: Generating accurate timing pulses for microcontrollers and digital systems.
• Debouncing Circuits: Eliminating switch bounce in digital input circuits.
• Pulse Width Modulation (PWM): Creating stable PWM signals for motor control and power management.
• Data Communication: Synchronizing data transmission and reception in digital communication systems.
• Consumer Electronics: Enhancing the performance of electronic devices by providing reliable timing functions.

Conclusion of CD74HCT221MG4

The CD74HCT221MG4 from Texas Instruments is a versatile and high-performance monostable multivibrator IC. Its fast propagation delay, Schmitt trigger inputs, and dual independent circuits make it a reliable choice for a variety of digital applications. The surface mount package and wide supply voltage range ensure ease of integration and compatibility with modern electronic designs. With its compliance to environmental and regulatory standards, the CD74HCT221MG4 is an excellent choice for engineers looking to enhance the performance and reliability of their digital circuits.

CD74HCT221MG4 Documents

Download datasheets and manufacturer documentation for CD74HCT221MG4

Datasheets :

CD54HC221, CD74HC(T)221      

HTML Datasheet :

CD54HC221, CD74HC(T)221