CD74HC221MG4

Multivibrators Overview

The CD74HC221MG4 is a high-speed CMOS logic dual monostable multivibrator manufactured by Texas Instruments. It features two independent circuits in a 16-pin SOIC package. The device operates within a supply voltage range of 2 V to 6 V and supports a maximum propagation delay of 210 ns at 2 V. Output drive capabilities include -5.2 mA for high-level and 5.2 mA for low-level currents. Static current consumption is limited to 0.008 mA. Operating temperatures span from -55 °C to +125 °C.

Multivibrators Feature Summary

• Dual monostable multivibrator architecture with integrated reset functionality
• High-speed CMOS technology ensuring fast switching performance
• Schmitt trigger inputs for noise immunity

Multivibrators Applications

• Pulse generation and timing circuits
• Frequency division applications
• Waveform shaping and conversion

Multivibrators Procurement Notes

Verify the specific suffix 'MG4' against the manufacturer's current product status, as legacy designations may indicate end-of-life or specific packaging variants. Confirm RoHS compliance and lead times directly with authorized distributors. Ensure the 16-SOIC footprint matches the target PCB layout requirements before finalizing procurement orders.

Multivibrators Selection Notes

Select this component when dual independent monostable circuits are required in a compact surface-mount package. The HC series offers compatibility with standard CMOS logic levels across a wide voltage range. Consider the 210 ns propagation delay and output drive strength relative to system timing constraints and load requirements during circuit design.

Multivibrators Part Context

This part belongs to the Texas Instruments 74HC family of high-speed CMOS logic devices. The 74HC221 series specifically provides dual monostable multivibrators. The 'CD' prefix typically denotes commercial grade temperature ranges, while 'MG4' indicates the specific tape-and-reel packaging and RoHS-compliant manufacturing process.

Multivibrators Replacement Considerations

Direct substitutes include CD74HC221M96 and CD74HC221M. Verify pinout compatibility and electrical specifications before substitution.