74HC02D,653

Overview

The Nexperia 74HC02D,653 is a quad 2-input NOR gate from the 74HC series. It operates within a supply voltage range of 2.0 V to 6.0 V and features CMOS low power dissipation with high noise immunity. The device includes input clamp diodes for interfacing voltages exceeding VCC. Latch-up performance exceeds 100 mA per JESD 78 Class II Level B. ESD protection exceeds 2000 V (HBM) and 1000 V (CDM). It is specified for ambient temperatures from -40 °C to +125 °C.

Feature Summary

• Quad 2-input NOR logic function
• CMOS technology with low power dissipation
• Input clamp diodes included
• High noise immunity

Applications

• General digital logic applications
• Signal processing circuits
• Microprocessor interface systems

Procurement Notes

Verify the specific ordering suffix matches the required package type. Confirm the temperature range aligns with application requirements. Check for RoHS compliance status. Ensure ESD handling procedures are followed during assembly. Validate pinout compatibility with existing PCB footprints.

Selection Notes

Select this component for designs requiring quad NOR gates in a SO14 package. Consider the wide supply voltage range for flexible power domains. Evaluate propagation delay specifications against system timing constraints. Assess latch-up performance for robust operation in noisy environments.

Part Context

This part belongs to the 74HC family of high-speed CMOS logic devices. It provides standard NOR functionality compatible with various digital systems. The D suffix indicates the SO14 plastic small outline package variant. It is designed for surface mount assembly on printed circuit boards.

Replacement Considerations

Compatible substitutes include other manufacturers' 74HC02 equivalents in SO14 packages. Verify pinout and electrical characteristics match before substitution. Ensure the replacement meets the same temperature and voltage specifications.