SN74HC03N

Overview

The SN74HC03N is a quad 2-input NAND gate integrated circuit manufactured by Texas Instruments. It belongs to the HC (High-speed CMOS) logic family and features four independent NAND gates within a single package. The device operates with a supply voltage range of 2V to 6V, ensuring compatibility with standard digital logic systems. It utilizes a 14-pin Plastic Dual In-line Package (PDIP-14), which supports through-hole mounting on printed circuit boards. The component provides high noise immunity and low power consumption typical of CMOS technology.

Feature Summary

• Contains four independent 2-input NAND logic gates
• Operates across a wide supply voltage range from 2V to 6V
• Features high noise immunity suitable for noisy environments
• Compatible with standard CMOS logic output levels

Applications

• General-purpose digital logic processing circuits
• Microcontroller input/output interfacing
• Signal gating and switching applications
• Logic level translation between different voltage domains

Procurement Notes

Verify the specific manufacturer marking and date code upon receipt to ensure authenticity. Confirm that the PDIP-14 package dimensions match your PCB footprint requirements. Check for any lead-free or RoHS compliance markings if environmental regulations apply to your assembly process. Ensure storage conditions prevent moisture absorption prior to soldering.

Selection Notes

Select this component when a quad NAND gate configuration is required in a through-hole design. The HC series offers faster switching speeds compared to older 74C series devices while maintaining low static power dissipation. Consider the 2V to 6V operating range to ensure compatibility with your system's power supply rails. Verify that the 14-pin DIP package fits your manufacturing constraints.

Part Context

This part is part of the broader 74HCxx series of high-speed CMOS logic devices produced by Texas Instruments. The '03' designation specifically identifies the quad 2-input NAND gate function within this family. It serves as a fundamental building block for complex digital systems, often replacing older TTL equivalents like the 74LS00 due to lower power consumption and wider voltage tolerance.

Replacement Considerations

Equivalent parts include the SN74HC03DR (SOIC package variant) and generic 74HC03 components from other manufacturers such as NXP or ON Semiconductor, provided pinouts and electrical characteristics are verified.