SN74HC02QDRG4Q1

Overview

The SN74HC02QDRG4Q1 is an automotive-grade quad 2-input positive NOR gate manufactured by Texas Instruments. It belongs to the SN74HC02 series and utilizes CMOS technology. The device operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a SOIC-14 package. It features four independent gates with eight inputs and four outputs. Key electrical specifications include a low-level output current of 5.2 mA, a high-level output current of -5.2 mA, and a propagation delay of 18 ns. The component is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• Quad configuration providing four independent 2-input positive NOR logic gates
• Wide operating voltage capability supporting systems from 2 V to 6 V
• Extended industrial temperature range suitable for harsh operational conditions

Applications

• Automotive electronic control units requiring certified logic components
• Signal processing circuits utilizing positive NOR logic functions
• Industrial automation systems operating within extended temperature ranges

Procurement Notes

Verify the complete part number including the G4 suffix to ensure correct manufacturing revision and compliance status. Confirm that the SOIC-14 package matches the target PCB footprint design. Ensure the selected variant meets specific automotive quality requirements defined by the end application. Cross-reference the datasheet for exact pinout configurations before integration into the circuit design.

Selection Notes

Select this component when automotive certification is mandatory for the logic gate application. Consider the HC series characteristics for compatibility with standard 5 V and lower voltage logic families. Evaluate the 18 ns propagation delay against system timing requirements. Verify that the SOIC-14 package dimensions fit the available board space constraints.

Part Context

This component is part of the broader SN74HCxx family of high-speed CMOS logic devices produced by Texas Instruments. The HC series is widely recognized for its compatibility with standard TTL logic levels while offering improved power consumption characteristics. The Q1 suffix indicates automotive grade qualification, distinguishing it from commercial variants. This specific model provides NOR functionality within the standardized 74-series logic architecture.

Replacement Considerations

SN74HC02QDRQ1 is a confirmed substitute within the same automotive logic family.