SN74HC21DRE4

Inverter Gates Overview

The SN74HC21DRE4 is a dual four-input positive-AND gate manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 6V and features low static power consumption with a maximum quiescent current of 2µA. The device provides a typical propagation delay of 19ns at 6V with a 50pF load and delivers a symmetric output drive current of ±5.2mA. It is housed in a 14-SOIC surface-mount package and supports an operating temperature range from -40°C to +85°C.

Inverter Gates Feature Summary

• Dual four-input AND logic functionality
• Low static power consumption CMOS technology
• Symmetric output drive capability

Inverter Gates Applications

• Digital logic control circuits
• Signal gating applications
• General-purpose logic processing

Inverter Gates Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type, tape-and-reel specifications, and environmental compliance status. Ensure the component matches the required industrial temperature range and pinout configuration for your design. Cross-reference the manufacturer's latest datasheet to validate RoHS3 compliance and moisture sensitivity level before procurement.

Inverter Gates Selection Notes

Select this component when dual four-input AND logic is required in a compact surface-mount form factor. It is suitable for designs needing operation across a wide voltage range of 2V to 6V. Consider its 5.2mA drive strength for moderate capacitive loads and verify that the 19ns propagation delay meets system timing requirements.

Inverter Gates Part Context

This part belongs to the SN74HC series of high-speed CMOS logic devices. It serves as a standard solution for implementing complex boolean functions in digital systems. The device is designed to interface directly with TTL-level inputs while maintaining CMOS noise immunity and low power characteristics.

Inverter Gates Replacement Considerations

SN74HC21DR

Inverter Gates FAQ

What is the maximum quiescent current for the SN74HC21DRE4?

The maximum static power consumption is specified as 2µA.

Does the SN74HC21DRE4 support input levels from TTL logic families?

Yes, the device is designed to accept TTL-compatible input levels.