CD74HC221MT

Multivibrators Overview

The CD74HC221MT is a high-speed CMOS logic dual monostable multivibrator manufactured by Texas Instruments. It features two independent circuits in a 16-pin SOIC surface-mount package. The device operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range from -55 °C to +125 °C. Key electrical parameters include a maximum propagation delay of 210 ns at 2 V, minimum pulse width of 12 ns, and output currents of ±5.2 mA. Maximum static current is specified at 0.008 mA.

Multivibrators Feature Summary

• Dual monostable multivibrator configuration with independent circuit operation
• High-speed CMOS technology for fast switching performance
• Schmitt trigger inputs for noise immunity
• Integrated reset functionality

Multivibrators Applications

• Timing pulse generation
• Frequency division
• Waveform shaping

Multivibrators Procurement Notes

Verify the specific suffix 'MT' against the manufacturer's official datasheet to confirm tape-and-reel packaging details and exact pinout compatibility. Ensure the component meets RoHS3 compliance requirements if applicable to your design specifications. Cross-reference the ordering information with the latest Texas Instruments documentation to avoid obsolete part numbers.

Multivibrators Selection Notes

Select this component when a dual monostable multivibrator with Schmitt trigger inputs is required. The HC series offers high-speed operation suitable for general-purpose timing applications. Verify that the 2 V to 6 V supply voltage range aligns with your system power rails. Consider the 16-SOIC package dimensions for PCB layout constraints.

Multivibrators Part Context

This part belongs to the Texas Instruments 74HC family of high-speed CMOS logic devices. The 74HC221 specifically provides dual monostable multivibrator functions. It is designed for applications requiring precise timing pulses and waveform generation using standard CMOS logic interfaces.

Multivibrators Replacement Considerations

CD74HC221M96 is listed as a manufacturer recommended substitute.