CD74HC21MT

Inverter Gates Overview

The CD74HC21MT is a high-speed CMOS logic device manufactured by Texas Instruments, featuring dual four-input positive-AND gates. It operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range from -55°C to +125°C. The component utilizes a 14-SOIC surface-mount package with eight input lines and four output lines. It provides low-level output current of 5.2 mA and high-level output current of -5.2 mA, with a propagation delay of 21 ns.

Inverter Gates Feature Summary

• High-speed CMOS technology for efficient logic operations
• Dual independent four-input AND gate functionality
• Wide operating voltage and temperature ranges

Inverter Gates Applications

• General-purpose digital logic circuits
• Industrial control systems requiring wide temperature tolerance
• Automotive electronics applications

Inverter Gates Procurement Notes

Verify the specific ordering suffix to confirm package type and environmental compliance. Ensure the selected variant matches the required RoHS status and moisture sensitivity level for your assembly process. Cross-reference the manufacturer part number with official datasheets to confirm pinout compatibility and electrical specifications before finalizing procurement decisions.

Inverter Gates Selection Notes

Select this component when dual four-input AND logic is required in a compact surface-mount format. Consider the 2 V to 6 V supply range for flexibility in various power environments. The wide temperature range makes it suitable for harsh industrial or automotive conditions. Verify that the 14-SOIC package fits the available PCB space and thermal requirements.

Inverter Gates Part Context

This device belongs to the Texas Instruments 74HC series of high-speed CMOS logic integrated circuits. The 74HC family is known for compatibility with standard TTL logic levels while offering improved speed and lower power consumption compared to older HC technologies. The CD prefix indicates commercial grade temperature performance, though this specific part extends to industrial limits.

Inverter Gates Replacement Considerations

CD74HCT21MT

Inverter Gates FAQ

What is the logic function of the CD74HC21MT?

It contains two independent four-input positive-AND gates.

Does the CD74HC21MT support automotive applications?

Yes, it is rated for an operating temperature range up to 125°C, suitable for automotive environments.