SN74HC21QDRG4Q1

Inverter Gates Overview

The SN74HC21QDRG4Q1 is an automotive-grade dual four-input positive-AND gate manufactured by Texas Instruments. It belongs to the SN74HC series of CMOS logic devices, designed for high-speed digital applications. The component operates within a supply voltage range of 2 V to 6 V and supports a wide operating temperature range from -40°C to +125°C. It features a propagation delay of 11 ns and provides output currents of ±5.2 mA. The device is housed in a 14-pin SOIC package and meets AEC-Q100 qualification standards for automotive electronics.

Inverter Gates Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• CMOS technology enabling high-speed operation with low power consumption.
• Dual four-input AND logic function providing two independent gates per package.

Inverter Gates Applications

• Automotive electronic control units requiring certified logic components.
• Digital signal processing circuits in automotive infotainment systems.
• Safety-critical logic gating within automotive sensor interfaces.

Inverter Gates Procurement Notes

Verify the complete part number including suffixes such as Q1 and G4 to ensure correct automotive grade and tape-and-reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure sourcing channels provide valid traceability records required for automotive supply chain audits.

Inverter Gates Selection Notes

Select this component when dual four-input AND functionality is required in automotive designs. Compare against standard industrial grades if automotive certification is not mandatory. Verify pin compatibility with existing footprints, noting the SOIC-14 package dimensions. Consider propagation delay specifications relative to system clock speeds.

Inverter Gates Part Context

This part is a qualified variant within the broader SN74HC21 family. The 'Q1' suffix denotes automotive qualification, while 'G4' indicates lead-free and RoHS-compliant manufacturing. It serves as a specialized version of the standard SN74HC21, tailored for harsh automotive environments requiring extended temperature ranges and higher reliability standards.

Inverter Gates Replacement Considerations

Direct substitutes include other AEC-Q100 qualified dual four-input AND gates from Texas Instruments or compatible manufacturers. Verify logical equivalence and package compatibility before substitution. Cross-reference specific suffix codes to ensure identical electrical and mechanical characteristics.